We look like twins, but we are completely different.
我们看起来像双胞胎，但实际上我们完全不同。
First, we know that many parents make bad guesses about their children's genetic connection-thinking that fraternal twins are actually identical ones, or vice versa.
首先，很多父母都没有把孩子们的基因联系搞清楚，认为异卵双胞胎是同卵双胞胎——或者刚好相反。
If identical twins are more alike than fraternal twins, therefore, we conclude that the trait under consideration is to some degree inherited.
如果同卵双胞胎在某个特定的性格特征上较异卵双胞胎表现出更大的相似性。那么我们就可以确定，该性格特征或多或少受到了遗传的影响。
The twins are so alike that we can't distinguish one from the other.
那对双胞胎如此相像，我们不能分清谁是谁。
They're twins. And we are proud of our daughters, just like I'm sure your parents are proud of you.
我和我的妻子为我们的女儿感到荣幸，就像你们的父母为你们感到骄傲一样。
They're twins. And we are proud of our daughters, just like I'm sure your parents are proud of you.
我和我的妻子为我们的女儿感到荣幸，就像你们的父母为你们感到骄傲一样。
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