不仅是病毒,还有其他风险。诸如成为人质,外交筹码。

There are currently around three dozen countries with the State Department's Level 4: Do Not Travel alert -- the highest of the travel advisory levels. US citizens are warned against traveling to those countries for a variety of reasons, including Covid-19, crime and civil unrest.

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另外还有外交对等 -芳草无情- 给 芳草无情 发送悄悄话 (0 bytes) () 04/20/2021 postreply 19:04:03

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