n.

1. 浪费
2. 消耗量
3. 废物
4. （冰、雪的）消融

n.

1. the action or process of wasting.
   ▸an amount wasted.
2. (also natural wastage) Brit. the reduction in the size of a workforce as a result of voluntary resignation or retirement rather than enforced redundancy.
   ▸the number of people leaving a job or further educational establishment before they have completed their training or education.