520mengcheng
He devotes most of his time to teaching work. work不可数名词,意思是工作. works 是作品, working是work的-ing形式

boneash2004
消耗 [词典] consume; use up; deplete; expend; [例句]工资的涨幅高过了生产率增长的速度,从而消耗了利润所得。Wages were rising faster than productivity and this was eating into profits.