The immensity of the United States makes air travel common place.(1)_____________________. On major routes between large centers there are even shuttle services---up to 50 flights dairy---which make one think of bus more than air transport. (2)_____________________. You'll pay on rout. Fares are comparatively low and numerous discount air fares are available. Safety regulations limit the sizes of carry-on luggage and (3)_______________________, etc. so that they may be put under a passenger seat or in an overhead cabin compartment. Acceptability for storage in the overhead compartment is dependent on the weight of the baggage. Baggage that does not qualify as free allowance will be charged for published tariff rates.
发表于 2012-10-13 15:24
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