You can't go to school in this country, and in many countries, until you've had your prescribed set of vaccinations.

在我国,接种规定的疫苗之前,许多国家也一样,你都不能去上学

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And I think that since this country started out with people coming over from different countries

我想既然这个国家一开始就有来自世界各国的人，

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And I sent home a questionnaire, asking their parents because most of the children in the class come from other countries. In fact, just about everybody in America comes from another country if you trace far enough.

我还给家长们发了一张问卷，因为班上,大部分学生来自,其它国家，事实上，如果追根溯源，任何一个美国都来自,其它国家。

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No country had to follow these risks, but generally, countries have followed them because they want to be part of the international community and you want to use the standards that were recommended.

没有哪个国家必须遵守这些约定,但基本上,所有国家都会遵守,因为他们想成为国际社会的一份子,而且也希望能够使用里面推荐的准则

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