Waste is the use of money or other resources on things that do not need it.
浪费
If you waste an opportunity for something, you do not take advantage of it when it is available.
错过 (机会)
Waste land is land, especially in or near a city, that is not used or taken care of by anyone, and so is covered by wild plants and rubbish.
荒芜的; 废弃的