可可電臺，每期節目一話題，讓英語磨練耳朵的同時學到更多有益的小知識，豐富知識的同時受益于生活。

Some simple habits that help extend life

延長壽命的簡單習慣

Avoid the risk

避免風險

The fact that life can be protected by ensuring there is no unnecessary risk in life.

確保生命中沒有不必要的風險就可以保護生命。

For young people, the biggest cause of death is not illness or age-related problems, but the most common cause of death is injury and violence.

對年輕人來說，死亡的最大原因不是疾病或與年齡有關的問題，而是傷害和暴力。

If you engage in certain behaviors, such as daily smoking, life expectancy will be shortened to 14 years.

如果你養成了某些習慣，比如每天吸煙，預期壽命將縮短至14歲。

【知識點講解】

expectancy n. 期待；預期

例句：

Tense with expectancy, I waited for my name to be called.

我緊張而滿懷期望地等著我的名字被叫到。

Women have a higher life expectancy than men.

女人比男人的預期壽命長。

A number of social factors influence life expectancy.

諸多社會因素左右著人的預期壽命。

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