正如航空和其他交通工具造成的环境损害必须受到更严格的审查一样，旅游业的社会成本也必须得到解决。
Just as the environmental harm caused by aviation and other transport must come under far greater scrutiny, the social cost of tourism must also be confronted.
它有一个冰柜和冰箱，这是其他交通工具无法提供的便利。
It had a freezer and refrigerator, a convenience no other vehicle offered.
一些人认为解决环境问题的最好方法之一是增加汽车和其他交通工具的燃料成本。
Some people think that one of the best ways to solve environmental problems is to increase the cost of fuels for cars and other vehicles.
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