不仅在公共场所擦鼻涕被认为是不礼貌的，而且在公开场合表达自己的情绪同样也会认为是粗鲁的。
Not only it is considered rude to blow your nose in public, but it is also considered rude to openly express your emotions in public.
在美国社会，公开场合打嗝是不礼貌的行为。 在其他一些文化中，一个心满意足的嗝则是对一顿丰盛美餐的由衷赞美。
Burping may not be the picture of politeness in American society, but in some cultures a hearty belch shows appreciation for a good meal.
在美国社会，公开场合打嗝是不礼貌的行为。 在其他一些文化中，一个心满意足的嗝则是对一顿丰盛美餐的由衷赞美。
Burping may not be the picture of politeness in American society, but in some cultures a hearty belch shows appreciation for a good meal.
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