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单词 quota system
释义
quota systemˈquota ˌsystem noun [countable] 1social studies, politics a system that puts an official limit on the number of immigrants in the United States who are allowed to become U.S. citizens or obtain a green card (=official document that shows that a non-citizen can legally live and work in the U.S.)2social studies, economics a system that puts an official limit on particular goods or the amount of a product allowed into a country:  a proposed new U.S. quota system for Mexican-grown tomatoes
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更新时间:2025/3/21 9:46:54