您是否曾听说过中国孕妇签证去美国，然后在美国生下了她的宝宝?。

Have you ever heard of some Chinese pregnant women give birth to a child in the US?

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美国护照持有者需要一个去肯尼亚的签证，当到达肯尼亚的时候可以在机场或者边境处获得。

US passport holders need a visa to enter Kenya, but they can get it at the airport or border crossing when they arrive in Kenya.

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但美国的签证条例却给了墨西哥人更多的动机去穿越边境。

The visa scheme gives Mexico more of an incentive to do so.

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