Facial feedback theory testing was the main question of this study.
人脸反馈理论测试是本研究的主要问题。
Psychologists have a theory called the facial-feedback hypothesis. It states that your mug and your emotions interact.
心理学家有一个理论，他们称之为“面部反馈假说”，即认为你的面部和情绪彼此呼应。
Psychologists have a theory called the facial-feedback hypothesis.
心理学家们有一个面部表情反馈假说——表情和情绪是互相影响的。
Psychologists have a theory called the facial-feedback hypothesis.
心理学家们有一个面部表情反馈假说——表情和情绪是互相影响的。
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