[with obj.]spend or use up (a resource such as money, time, or energy) 花费;用光;耗尽(钱、时间或能量等资源) the energy expended in sport could be directed into other areas. 运动中花费的能量可以转到其他部位。
语源
late Middle English: from Latin expendere, from ex- 'out' + pendere 'weigh, pay'. Compare with spend