Different countries have different cultures and (习俗). Do you know about them? The following will tell you a lot.
In both China and (西方的) countries, the rose is regarded as a symbol of love. People think the rose stands for love, peace, courage and friendship.
In some Asian countries, standing very close to the person you are talking with is quite (普通的). However, if you do this in Europe, some people might feel (不舒服).
In China, if someone says something good about you, it is (有礼貌的) to answer "No, not at all!". While in Britain or America, a person answers "Thank you!” with a big (微笑). This may not be common in China, but is good (礼仪) in Britain or America.
In South Korea, it is polite to pass something to an older person with (两者) hands. In Thailand, you are not supposed to (触摸) a child on the head.
In Britain, it's not polite to ask people "How much money do you earn?". But Americans don' t (介意) this so much.
