We put smiley faces in emails to show when we are just kidding. Otherwise some people may misinterpret our humor and get angry.

我们在电子邮件中加上笑脸显示我们只是在开玩笑，否则有些人可能误解我们的幽默而生气。

youdao

It's shocking to watch travelers enter the line all smiley and jazzed about a vacation or career opportunity only to emerge exhausted, disheveled, angry and possibly late.

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