If you think your value is in 13 weeks of lectures, then exams, it's true that that's probably not going to be as valuable in the future.

如果你认为你的价值在持续13周的讲义、最终的考试中，在将来它们将不再那么有价值。

youdao

Postal workers in the joint efforts of all, not only before and after the success of the smooth communications, but also for the future of the Post building valuable experience.

在全体邮政工作者的共同努力下，不仅成功实现了前后方通讯联络的畅通无阻，同时也为今后的邮政建设提供了宝贵经验。

youdao

The most compelling case for asteroid mining is for a yet-undesired element that turns out to be not abundant in the earth's crust and becomes suddenly valuable because of some future technological advance.

WSJ: Exhausting the Earth's Resources? Not So Fast