selectivity
n. 选择性；分离性；选择度
例句
We haven't found any convincing evidence that selectivity or prestige matters.
我们还没有找到任何有说服力的证据来证明选择性或声望很重要。
Schools are tending towards greater selectivity.
学校对新生的选拔有趋严之势。
《牛津词典》
Selectivity is key to its success.
选择性是成功关键。
