Rubbish, however, is only part of the problem of polluting our planet.

part of ^{之前没有形容词修饰时，通常不加不定冠词 “a”}

• Justice is part of the complex machinery of the law. 
• Part of the building was destroyed in the fire. 
• Falling over is part of learning how to ski.
• This idyllic pastoral scene is only part of the picture. 
• Memory loss is a normal part of the aging process. ^{前面有形容词限定时，需要加冠词}
• … so vast is the number of planets, that intelligent life is bound to be a natural part of the universe.

The need to produce ever-increasing quantities of cheap food leads to a different kind of pollution.

ever increasing ^不断增加

• … evidence that steadily accumulates → … the ever-accumulating evidence 
• the world that steadily changes → the ever-changing world ^{不断变化的世界}
• the knowledge that steadily grows → the ever-growing knowledge ^{不断增长的知识}
• the economy that steadily develops → the ever-developing economy ^{不断发展的经济}
• the market that steadily expands → the ever-expanding market ^{不断扩大的市场}
• the reform that steadily deepens → the ever-deepening reform ^{不断深化的改革}
• the resources that steadily dwindle → the ever-dwindling resources ^{日益减少的资源}

造句：the need to satisfy people’s ever-increasing demands for material and cultural life ^{满足人们不断增长的物质和文化生活需求的需要}

leads to ^{导致；通向}

• Hundreds of steps lead to the high wall which surrounds the president's palace. 
• This led to yet another angry argument.
• ... that international sporting contests lead to orgies of hatred, one could deduce it from general principles.

Industrialized farming methods produce cheap meat products: beef, pork and chicken.

farming ^n.养殖

• pig farming
• cattle farming 
• chicken farming
• poultry farming ^家禽养殖
• livestock farming ^家畜养殖

produce cheap meat products ^{写作：押韵}

• assist burglars to burgle
• live a ... life
• sing a song 
• breathe one’s last breath
• die a glorious death ^死得光荣

The use of pesticides and fertilizers produces cheap grain and vegetables.

The use of ^...的使用

• The use of gloves was not introduced until 1860, when the Marquis of Queensberry drew up the first set of rules.
• ...and its effects are reinforced by the use of endearing epithets.
• Notices forbidding the open-air drying of clothes, or the use of water points for car washing...

grain and vegetables ^{谷物和蔬菜}

• Fruit and Vegetables ^{水果和蔬菜}
• Fruits and Vegetables Grain Bread ^{蔬果谷物面包}
• Flower and grain eaten vegetables ^花果类

The price we pay for cheap food may be already too high: Mad Cow Disease (BSE) in cattle, salmonella in chicken and eggs, and listeria in dairy products.

… be the price sb. pay for … ^{某个东西是某人为某事付出的代价}

• Pollution is the price we pay for an overpopulated, over-industrialized planet.

the price sb. pay for ...

• Responsibility is the price every man must pay for freedom.^{责任是每个人必须为自由付出的代价。}
• The precious information came at a price. 
• The precious information came at a heavy price.. 
• She is determined to have a child at any price...

BSE ^{疯牛病（bovine spongiform encephalopathy）}

• AIDS ^{abbr.获得性免疫缺陷综合征，艾滋病（acquired immune deficiency syndrome）}

dairy ^奶制品

• dairy products
• dairy cattle 
• Dairy Queen ^{奶品皇后（DQ 美国著名的冰淇淋连锁品牌）}

• angle / angel 
• altitude / latitude 
• aboard / abroad 

The price we pay for overpopulation may be already too high: unemployment, pollution of all kinds, and the ever-increasing crime.^{我们为人口过多付出的代价可能已经太高了：失业现象，各种各样的污染，以及越来越多的犯罪。}

And if you think you'll abandon meat and become a vegetarian, you have the choice of very expensive organically-grown vegetables or a steady diet of pesticides every time you think you're eating fresh salads and vegetables, or just having an innocent glass of water!

have the choice of A or B ^{在A和B之间选一个}

• When you have the choice of being right or being kind, choose kind.^{当你可以选择正确或善良的时候，选择善良。}
• You have the choice of deciding who you're friends with.^{你可以选择和谁成为朋友。}
• After choosing your filter, you have the choice of adding a caption.^{选完滤镜之后，你可以选择加上说明文字。}

organically-grown ^{有机栽培的}

• organically-grown vegetables ^有机蔬菜
• organically-grown produce ^{有机农产品}

steady ^{adj.稳定的，持续的}

• a steady job / income
• a steady relationship
• a steady boyfriend / girlfriend 
• a steady decline / increase 

every time (when) ... ^{（every time可以看作连词，也可以看作名词time做状语加when引导的定语从句）每当}

• = whenever ...
• = no matter when ...

innocent ^{adj. harmless, innocuous 无害的、无毒的}

• The accused was found innocent. ^{被告被判定无罪。}
• I'm convinced that she's innocent. ^{我坚信她是清白无辜的。}
• He insisted (that) he was innocent. ^{他坚持说他是无辜的。}
• I am convinced that she is innocent. ^{我坚信她是清白无辜的。}

造句: If you think you’ll abandon the car, you have the choice of the extraordinarily slow buses or the over-crowded subway.^{如果你想放弃开车, 那么你可以两者选一: 或者是慢得出奇的公共汽车,或者是过分拥挤的地铁。}