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如何分辨假笑？3种科学方式帮你看穿对方的演技
source link: https://tech.sina.com.cn/d/v/2019-06-21/doc-ihytcitk6739527.shtml
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来源：科普中国我们在日常社交生活中难免会面对各种笑容，但有些笑脸发自真心，有些却全靠演技。下面这幅画是同一个人的不同微笑，你能分辨出哪一个是在假笑吗？答案会在文章结尾揭晓。在学会如何分辨笑容真假前，先来从身体机制上了解一下，我们是如何控制身
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