词典释义：
a limited or fixed number or amount of people or things, in particular
定额，定量，尤指：
a limited quantity of a particular product which under official controls can be produced, exported, or imported
（产品生产或进出口的）限额，定额
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the country may be exceeding its OPEC quota of 1,100,000 barrels of oil per day .该国可能要超过每日１１０万桶的欧佩克限额。
a fixed share of something that a person or group is entitled to receive from a total
（人或团体的）分得的部分，配额。
a person's share of something that must be done
（由某人负责的）任务份额，指标
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they were arrested to help fill the quota of arrests the security police had to make during the crackdown .治安警察逮捕他们是为了凑足打击活动期间必须完成的拘留指标。
a fixed minimum or maximum number of a particular group of people allowed to do something, as immigrants to enter a country, workers to undertake a job, or students to enrol for a course
（移民、就业或选课等方面人员数量上的）限额，定额
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the removal of entry quotas encouraged young people to enter universities .入学限额的取消有助于鼓励年轻人上大学。
(in a system of proportional representation)the minimum number of votes required to elect a candidate
（比例代表制用语）当选规定票数，最低票数。
〈喻〉 （人对事情、品质或属性拥有的）份额
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an Irishman with a double ration of blarney and a treble quota of charm .一位懂得双倍花言巧语又拥有三倍魅力的爱尔兰人。
(亦作
（英国国教会牧区贡献给主教教区的）资金份额。
"early 17th cent.: from medieval Latin
