Latter can be used in the following ways: Latter 有以下用法
as an adjective (only before a noun): 用作形容词(仅用于名词前):the latter half of 1996 1996年的后半年He considered his students either geniuses or idiots, and I fell into the latter category. 在他眼里,他的学生要么是天才要么是傻瓜,而我被归类为后者。
as a pronoun (after ‘the'): 用作代词(用于the 之后):Given a choice between Tahiti and Hawaii, I'd prefer the latter. 要在塔希提岛和夏威夷二者之间选一个的话,我更喜欢后者。