At present, 15 Chinese cities allow a 72-hour visa-free entry for nationals of certain countries.

目前，中国15座城市允许对某些国家的公民实行72小时免签证入境。

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APPLY online for visa-free entry to the United States and the Department for Homeland Security offers 251 choices for "country where you live".

在线申请美国免签证入境手续时，美国国土安全部在“现居国”一栏中给出了251个选项。

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A number of countries are warning against nonessential travel to Mexico, with Japan going as far as halting visa-free entry for Mexican travelers.

许多国家对前往墨西哥的非必要旅行发出了警告，其中日本已经对墨西哥游客停止免签入境。

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