1、valuable

有價值的;有益的;有用的

Many of our teachers also have valuable academic links with Heidelberg University.

我們的很多老師也和海德堡大學保持著有益的學術聯系。

If you decide to do you own make-up, here are a few valuable tips that will help you look your best.

如果你決定自己化妝，這里有一些有用的小竅門，可以幫助你呈現最美的一面。

貴重的;值錢的

Just because a camera is old does not mean it is valuable.

古舊的相機不一定就值錢。

valuable books.

貴重書籍

2、survival

生存

companies which have been struggling for survival in the advancing recession.

在日益蕭條的經濟環境中掙扎求生的各個公司

Ask for the free booklet 'Debt: a Survival Guide'.

可以索要免費小冊子《債務：生存指南》。

幸存;存活

If cancers are spotted early there's a high chance of survival.

如果癌癥在早期發現的話，存活的幾率會很高。

An animal's sense of smell is still crucial to its survival.

動物的嗅覺對其生存仍然至關重要。