以上来源于: WordNet
The gang were running protection rackets in all the big cities.
这帮歹徒在各大城市里干着勒索保护费的勾当。
Protection rackets make it difficult for some bars in the city to earn a profit.
市内一些酒吧因被勒索保护费而难以获利。
Illegal business activities are called 'rackets', for example, protection rackets.
非法的生意活动被称为“勒索”,如强收保护费。
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