Tourism makes some parts of the world too crowded a place to live in.
旅游业使得世界上的某些地方变得拥挤不堪，无法居住。
The bus was very crowded. A man tried to get on, but no one gave way to him.
公共汽车上很拥挤，一位男士想上车，但是没有人给他让路。
The bus is very crowded. A man tries to get on, but no one gives way to him. "Hey, let me get on the bus."
公共汽车上很拥挤。一位男士想上车，但是没有人给他让路。
The bus is very crowded. A man tries to get on, but no one gives way to him. "Hey, let me get on the bus."
公共汽车上很拥挤。一位男士想上车，但是没有人给他让路。
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