At an EU summit in September, the Europeans agreed to help Pakistan after its recent devastating floods by offering preferential tariffs for its textile exports.

在9月举行的欧盟峰会上，欧洲人同意为遭遇最近毁灭性洪灾的巴基斯坦提供帮助，为其出口的纺织品提供优惠关税。

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The agreements cover economic cooperation, technical training and preferential tariffs for some Afghan exports to China.

这些协议含盖经济合作、技术培训和某些阿富汗对中国出口产品享受特惠关税等领域。

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The government obliges distributors to buy all wind power at preferential tariffs, taking much of the risk out of China Longyuan's business.

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According to polysilicon producer Renewable Energy, the move by the Chinese government to set up preferential tariffs to boost cleaner energy sources could herald the shift in demand for solar panels from Europe to Asia and the U.S. Some optimistic estimates suggest that China may add as much as 7 GW this year, which is roughly equal the capacity added in Germany in 2011.

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Nor did they take into account the preferential low tariffs that rich countries already offer to some of the poorest countries.

ECONOMIST: Weighed in the balance