词组搭配
take the best of a group of people or things, especially in a way that is considered unfair
（尤指用不公平手段）挑选精英；提取精华
the schools cream off some of the more able pupils.学校挑选一些更有能力的学生。
the schools cream off some of the more able pupils.
学校挑选一些更有能力的学生。
