Because if they are reared by the same parents,one could argue, "Well they came out very similar because same environment: they look the same; they go to the same schools; " same parents,and so on."

因为如果他们由相同的父母抚养，人们会说，“他们这么相似，是因为有同样的成长环境：,他们外表一模一样，上一样的学校;,有同样的父母，等等“

哈佛公开课 - 幸福课课程节选

They don't look the same, they don't behave the same, they don't perform the same biological functions.

它们外观上不一样,生命活动不一样,它们的生物学功能各不相同

耶鲁公开课 - 生物医学工程探索课程节选

Here are two hydrogens, and they both look the same.

把另一个放在这里，他们看起来是一样的。

麻省理工公开课 - 固态化学导论课程节选

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

If they all look the same to the baby, the baby will just continue to tune out, but if the red looks different the baby will perk up.

如果对于婴儿来说,两种颜色没有差别,他就仍然不予理会,但如果他觉得红色与绿色不同,那他就会重新活跃起来

耶鲁公开课 - 心理学导论课程节选

May look the same but from the inside,they feel very different.

表面看来他们一样，但他们的内心感觉很不同。

哈佛公开课 - 幸福课课程节选