Yes,on average, when you look at this group of 40 or 50 twins reared apart, when you look at the average, they are just about the same.

平均而言，当研究这40或50组被分开抚养的双胞胎，大体看来，他们是一样的。

哈佛公开课 - 幸福课课程节选

I'm not sure who, like the Olsen twins or something like that.

我不太确定是谁，可能像奥尔森姐妹等等。

哥伦比亚的名人 - SpeakingMax英语口语达人

The question when we see exceptions, whether it's the Lykken and Tellegen study, not all twins were the same, the question is no longer whether or not change is possible, but rather how is change possible.

当我们看到了例外，无论是在Lykken和Tellegen的研究，当发现不是所有的双胞胎都一样，已不再是，改变是否有可能，而是怎样实现这种改变。

哈佛公开课 - 幸福课课程节选