另一个线索是他们走向实验室,碰到对方时他们给出的微笑。
Another clue is the sort of smiles they give when they walk into the lab and see each other.
和别人握手时,你应该面带微笑地与对方进行眼神交流。
You're supposed to make direct eye contact and smile as you shake hands with others.
跟着对方一起微笑,这时,大脑产生不同的活动模式。
Mimicking a friendly smile produces a different pattern of brain activity.
But another clue is the sort of smiles they give when they see each other when they walk into the lab.
但另一个线索是他们给出的微笑,当他们走向实验室时碰到对方。
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