透过二氧化碳总量管制与排放交易机制(cap - and - trade scheme)，欧盟已经限制了温室效应气体的排放，去年又为碳撷储颁布进一步的优惠诱因。
The European Union, which already restricts greenhouse-gas emissions through a cap-and-trade scheme, unveiled further incentives for CCS last year.
本文分析优惠性原产地规则的保护机制及其效应，指出WTO统一优惠性原产地规则的必要性。
This paper makes an analysis of the protection mechanism and the effect of the pro, stating that it is vital that the WTO make unified pro.
税收优惠政策通过避税效应和示范效应两个路径激励商业健康保险需求。
Favorable tax policy induces the demand of private health insurance with tax shield effect and the demonstration effect.
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