这一家人来自密苏里州圣路易斯市，但是他们在自己的网页上言明打算游遍全美国。
The family come from St Louis, Missouri, but on their webpage say they plan to travel around the US.
如果你从未涉足美国以外的地方，不要紧，因为游遍那些地方要花一辈子的时间。
It doesn't matter if you never set foot outside of the United States because there is a lifetime of travel to experience there.
他已经游遍了全美国。
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