1、valuable

有价值的;有益的;有用的

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

我们的很多老师也和海德堡大学保持着有益的学术联系。

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

如果你决定自己化妆，这里有一些有用的小窍门，可以帮助你呈现最美的一面。

贵重的;值钱的

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

古旧的相机不一定就值钱。

valuable books.

贵重书籍

2、survival

生存

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

在日益萧条的经济环境中挣扎求生的各个公司

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

可以索要免费小册子《债务：生存指南》。

幸存;存活

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

如果癌症在早期发现的话，存活的几率会很高。

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

动物的嗅觉对其生存仍然至关重要。