新冠疫情爆發之後，數以萬計的中國人從中國出發，抵達中南美洲的國家之後，再歷險到達美墨邊境、非法進入美國境內，並在入境後尋求庇護。這種偷渡方式被稱為「走線」。
User warnings for applications that are directly installed (or “sideloaded”)，推荐阅读im钱包官方下载获取更多信息
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Nature, Published online: 26 February 2026; doi:10.1038/d41586-026-00602-z。业内人士推荐heLLoword翻译官方下载作为进阶阅读
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