I don't know. There's evidence that the coy smile shows up in non The question was, "Do nonhuman primates give the same smiles that humans do?

我不知道，有证据表明,腼腆微笑在非人类,问题是，灵长类和人类微笑相同吗？

耶鲁公开课 - 心理学导论课程节选

Every culture is going to have Pan Am smiles, happiness smiles, coy smiles, but the variation of that sort is something which will vary as a result of how you're raised and the people around you.

每一种文化都有问候式微笑，开心的微笑，腼腆的微笑，不同还在于,你是怎么被抚养大，你身边人如何。

耶鲁公开课 - 心理学导论课程节选