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Eye contact
Eye contact means looking into another person’s eyes.
This is a very important of body language.
It can be the key to communicate.
Eye contact can show feelings such as friendliness, interest and understanding.
In Western countries, using eye contact in conversations is very important.
If you do not use eye contact, Westerners may think that you are not listening.
And if you look away, they may also think that you are lying.
However, in many Asian countries, looking down when talking with an older person, like
a teacher or a parent, is polite.
These differences can cause problems.
For example, an Asian person might look down while listening to a Western speaker.
The Western speaker might think this person is not interested in what he or she is saying.
Not using eye contact can cause problems, but using too much is not polite either.
In many countries, watching other people, especially strangers, for a long time is impolite.
This may make them feel nervous.

眼神交流就是深入另一个人的内心，这是身体语言的一个非常重要的组成部分？？话说，这是历史问题？？