There's no equivalent to the " Duchenne smile." That's as far as I know.

没有什么可以与“杜兴微笑”相媲美。据我所知，情况就是这样。

What's interesting is about only one out of every ten people can fake a Duchenne smile.

只有十个人中有一个能够伪造杜甫深笑， 这是非常有趣的。

A real happiness smile, what's known as a Duchenne smile, after a neurophysiologist who studied it, involves moving the eyes.

一个真正的幸福微笑，也就是所谓的杜氏微笑，得名于一个研究过它的神经生理学家，它涉及到眼睛的运动。