| 1. | Unless excepted , prior notice of imported food must be filed two to eight hours before arrival ( i . e . , the port where the food first arrives in the united states ) , depending on the mode of transport 除非例外情况,进口食品的预先通知必须在食品到达(即食品首先达到美国港口)之前两到八小时进行提交,该时间取决于运输方式。 |