| 单词 | cap-and-trade |
| 释义 | cap-and-tradeˌcap-and-ˈtrade noun [uncountableU] a system in which companies are only allowed to produce a limited amount of substances that harm the environment. If they produce more than the amount allowed, they have to buy permission from other companies that produce less. 总量管制与排放交易〔限制公司排污量的一种办法〕 |
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