Reasonability
合理性
??? 情景例句
A taxi can get you there in less than five minutes.
乘坐的士到那兒不用5分鐘。
He that would know what shall be must consider what has been.
欲知未然，須思已然。
After a little time, she chose one of the most expensive dresses in the shop and handed it to an assistant who wrapped it up for her as quickly as possible.
過了一會兒，她又選了商場里最昂貴的一件衣服，把它遞給了售貨員。那售貨員以最快的速度為她包好了衣服。