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Prevention of a problem is always preferable to trying to cure it.

防止出现问题总是比试图解决问题更可取。

《柯林斯英汉双解大词典》

Grandfather always says that for every disease, there is some herb to cure it.

祖父总是说，任何一种疾病，都会有相应的草药能够治愈。

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That is,it is better to eat vitamin-rich foods to prevent disease instead of eating them to cure a disease after it has developed.

VOA: special.2009.04.21

Can't cure it, can't solve it, can't get rid of it?

你有无法解决,无法摆脱的记忆吗

耶鲁公开课 - 美国内战与重建课程节选

We are not talking about the cure for cancer, but it does have it within it to help us make sense of things.

虽然诗歌不能治愈癌症,但它确实能够帮助我们理解事物。

普林斯顿公开课 - 人性课程节选

Many explanations are possible and available, as well as techniques to try and cure it.

CNN: 8 questions about open source cancer treatment

Alas, doctors admit that they aren't entirely sure what a hangover is, let alone how to cure it.

FORBES: Magazine Article

As first conceived, it would have had enforcement powers and tried to pre-empt state failure, not just cure it.

ECONOMIST: Failed states