zēng / jiā / yì / míng / gōng / rén / hòu / gōng / chǎng / de / biān / jì / bào / chóu / míng / xiǎn / xià / jiàng

增加一名工人后，工厂的边际报酬明显下降。

After one more worker was added, the factory's marginal returns fell noticeably.