That's where NASA's twin study comes in.

这促成了 NASA 对这对双胞胎的研究。

Only identical twins are eligible. It's a twin study.

没错，但只限双胞胎 那是双胞胎研究。

18. Why are scientists interested in studying identical twins raised in different families?

18. 为什么科学家热衷于研究不同家庭培养出来的同卵双胞胎呢？

Scientists continue to study identical twins because they are uncertain about them and have many questions.

科学家仍在继续对同卵双胞胎的研究，因为仍然存在很多不确定的地方，存在很多问题。

Studying twins gives us enormous insights into how we come to be the way that we are.

研究双胞胎能让我们深入了解我们是如何变成现在这个样子的。

Studying twins is extremely useful in examining the effects of genetic and environmental factors that can influence inherited traits across generations.

研究双胞胎在检查遗传和环境因素对代际间遗传特征影响方面非常有用。

It's a twin study. But it's $2000.

那是双胞胎研究 但是有两千块钱。

Studying twins can teach us a ton about how genes and environments influence human attributes.

研究双胞胎可以告诉我们很多关于基因和环境如何影响人类属性的知识。