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Wear a face mask and receive body temperature check before entering the office building.

在进入办公大楼前应佩戴口罩，并接受体温检查。

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Check your face in the mirror: Do you have any blemishes you could cover, or greasy skin that needs powdering? Could your eyes use some drop to clear up redness?

在镜子里面仔细看你的脸，看看有没有可以掩盖的瑕疵 皮肤是不是太油需要擦粉，你的眼睛需不需要滴药水来去除红血丝，你的眉毛是不是很整洁；

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Certain idiotic-sounding behaviors that create a bond: drawing a smiley face on a check, doling out after-dinner candy, wearing a funny necktie or forecasting good weather.

WSJ: Tips for Waiters

Those buying guns from licensed stores and vendors are required to face a background check, but some purchasers buying guns from private sales at firearms shows and online do not need to do so, an exception often referred to as the gun-show loop-hole.

BBC: Giffords implores Congress for gun control

For some more insight into how the EDSAC changed the face of computing, check out the video after the break.

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