expend
/ɪkˈspend/verb
with obj.
- spend or use up (a resource such as money, time, or energy)花费; 用光, 耗尽（钱、时间或精力等资源）：
the energy expended in sport could be directed into other areas.
体育活动中消耗的精力可加以引导而转用到别的方面去。
词源
late Middle English: from Latin expendere, from ex- 'out'+pendere 'weigh, pay'. Compare with SPEND.