白洁下星期要来中国！今天大家一起来帮她打包行李！
(1) pack your bags 打包行李
(2) bring everything but the kitchen sink 把一切能带的东西都带着
(3) check a bag 托运行李
(4) checked bag 托运的行李
(5) carry-on (bag)手提行李
