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Regulation and tradeable pollution permits discourage pollution ; buying shares does not .

环保法规以及可交易的污染许可能够遏制污染，买股票却不能。

Its tradeable sector has exploded in recent years .

中国贸易相关行业近年来呈爆炸性增长。

The trade lobby is where players meet to trade cards , event tickets , booster packs , and other tradeable objects .

交易大厅让玩家可以在这里交换卡片、竞赛门票、补充包以及其他可交易的物品。

Gold has nearly four times the amount of tradeable futures contracts as silver .

黄金的可交易期货合约数量是白银的近四倍。

Within creditor countries , the producers of tradeable goods and services are a powerful lobby for the supply of credit to debtors .

在债权国，可交易商品和服务的生产商在向债务国提供信贷方面，是一股强大的游说力量。