wastage
noun [ U ] uk/ˈweɪ.stɪdʒ/ us/ˈweɪ.stɪdʒ/
浪费量;耗费量
the amount that is wasted
Water companies will have to cut down on wastage. 自来水公司需要减少浪费。
UK（由离职引起的）自然减员（同 natural wastage）
→ natural wastage UK
UK (US attrition)中途辍学者
the people who leave an educational or training course before it has finished
The wastage rates on the degree courses are a cause for concern. 学位课程的辍学率是个令人担忧的问题。