没有得到批准入境的外国人一般一年以内不能再进入美国，而被驱逐出境的外国人一般五年内不可入境。

Without express permission, an alien who's been excluded from the United States may not re-enter for one year.

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约翰逊表示不可避免可能还有潜在的病例，入境的任何有流感症状的人将接受快速的检查。

Johnson said there would inevitably be more potential cases and anyone entering the country with flu-like symptoms would be examined "very, very quickly".

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同时，未来汇款流量可能会受到更严格入境人数控制和汇率变动不可预测等额外因素的影响。

And future remittances flows may be affected by additional factors such as tighter immigration controls and unpredictable exchange rate movements.

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