readiness
/ˈredinəs/If someone is very willing to do something, you can talk about their readiness to do it. 乐意
noun [抽象名词] 准备就绪状态;愿意,乐意;快,迅捷
Over half the people interviewed expressed their readiness to die for their country. 半数以上接受采访的人都表示愿意为国献身。