根据特朗普于2月1日签署的行政命令，所有从中国出口至美国的商品将不再享有“低值免税”（de minimis）政策。此前，价值低于800美元的包裹可免除关税且无需详细报关（小额豁免）。

The United States said Wednesday that its government vessels would be allowed to sail for free through the Panama Canal, ...