词汇	I left my hat
释义	I left my hat. 我掉了帽子。
随便看	expenditure-switch policy expenditure tax expenditure taxes expenditure to acquire expenditure variance expenditure variation control expenditure velocity expenditure vote expenditure weight expend labor for nothing expend largely expend million expend money expend money in building a museum expend money in the purchase of a piano expend money judiciously expend money on expend money upon expend on expend programme immunization expend reduction expends expends excessively expends the question excessively ponder expend structure