French customs officials pass quickly through the train looking at passports and identity cards. This simple formality contrasts with the long queues that form at international airports when people arrive and go through customs and immigration checks.

• 法国海关官员穿过车厢，迅速检查旅客的护照和身份证，手续十分简便；与之形成对照的是国际通过海关和移民检查时来往客人却要排很长的队。