In fact, the United States Customs Service reports that CFC-12 is a contraband problem second only to illicit drugs.
事实上，美国海关报告说，CFC-12是仅次于违禁药物的第二大违禁品。
In fact, the United States Customs Service reports that CFC-12 is a contraband problem second only to illicit drugs.
事实上，美国海关报告说，CFC-12是仅次于违禁药物的第二大违禁品。
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