labour input的用法和樣例：
例句
- The modifications were aimed chiefly at reducing labour costs and increasing yields.
改變的目的主要在于減少勞力成本和增加果實(shí)產(chǎn)量。 - In a currency union, with devaluation ruled out, there are only two ways of reducing unit labour costs relative to those of other members.
除了貨幣貶值以外，在貨幣聯(lián)盟里減少本國對其他成員國的單位勞力成本的方法只有兩種。
