We have imposed strict quarantine and prevention measures in public transit systems, major locations and ports of exit and entry.
对公共交通工具、重点部位以及出入境口岸，实行严格检疫和防范。
2
To carry out the entry verification for the civil commodities subject to import license system, and the exit verification for export and transit commodities.
负责实施国家实行进口许可制度的民用商品的入境验证；负责出口、转口商品的有关出境验证。
3
What should be done in case a foreign national who has the 72-hour transit visa exemption cannot leave China within 72 hours due to some special reason after entry?