requirement可数吗
requirement是可数名词；
requirement
n.所需的(或所要的)东西;必要条件;必备的条件；
复数 requirements；
Our immediate requirement is extra staff.
我们亟须增加人手。
I knew that concentration was the first requirement for learning.
我知道专心致志是学习的首要条件。
Evidence of basic proficiency in English is part of the admission requirement.
英语基本熟练是入学条件之一。
A major addition to the earlier revisions of the questionnaire is the job requirement exercise.
之前对问卷的修改主要是增加了一些和工作要求有关的问题。