【expenses】expense可数吗

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【答案】 从字典中得来
　　expense的可不可数
　　随意义而改变
　　expense
　　n
　　[U]不可名词 spending of money etc; cost 花费; 代价:
　　an expense of time,energy and cash 时间、 精力、 现金的花费 *
　　[C] 可数名词cause of spending 花费的原因:An annual holiday is a big expense.一年一度的假日是一笔大开销.* Running a car is a great expense.一辆汽车的经常开支很大.
　　expenses [pl] money spent in doing a specific job,or for a specific purpose （做某工作或为某目的）花费的钱:
　　travelling expenses 旅费
　　* House repairs,holidays and other expenses reduced her bank balance to almost nothing.修房、 度假和其他开销使她在银行的存款所剩无几.*