If you know of someone who is ill, avoid close contact.Once exposed, frequently wash your hands with soapy water and keep your distance from others, as colds are contagious.

如果你知道有人生病了，那么就要避免亲密的接触，若一旦接触了，就要经常用肥皂水洗手并且保持和他人的距离，因为感冒具有传染性。

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If you know of someone who is ill, avoid close contact. Once exposed, frequently wash your hands with soapy water and keep your distance from others, as colds are contagious.

如果你知道有人生病了，那么就要避免亲密的接触，若一旦接触了，就要经常用肥皂水洗手并且保持和他人的距离，因为感冒具有传染性。

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Try to avoid close contact with sick people.

尽量避免密切接触病人。

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They say close physical contact is impossible to avoid.

VOA: special.2010.05.21

Because they're trying to, they're competing for voters who happen to be close, or running out of gas at those moments, and by crowding together they avoid being out competed by each other in terms of position.

因为他们试图,他们都为了拉拢附近客源或是那些,刚刚耗完汽油的顾客而相互竞争,它们通过挤在一起,避免自己因为选址的问题而被淘汰出局

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Masks are a "reminder to people that they should avoid close contact with other persons, " he said.

CNN: Masks keep you from spreading illness

For instance, you may be asked to temporarily avoid close contact with other people, especially children and pregnant women.

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Try to avoid close contact if you are ill with the flu or if others around you have flu like symptoms.

FORBES: 2013 Flu Season: How to Protect Yourself