"As the supply increases, we do think that access and convenience and ease of getting vaccinated will improve,"

VOA: standard.2009.12.25

Q1 I'm going to, just for convenience, call that Q1.

为了方便，称之为。

麻省理工公开课 - 固态化学导论课程节选

Well, I think that if the great majority of people try to derive maximum utility out of a service, like using cell phones and the convenience that cell phones provide, that sacrifice is necessary for satisfaction to occur.

我觉得如果绝大多数人想要,从某项服务中获得最大功利，比如使用手机，享受手机所带来的便利，那么为了满足需求，这种牺牲就是必要的。

耶鲁公开课 - 公正课程节选