散客旅游者乘国内航班离站若从大型机场起飞,导游人员应使散客旅游者提前二小时抵达机场。
Goods are carried by several of transport--on road or rail, by sea or air.
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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