The central state, though often very rich and very populous, was intrinsically fragile, since the development of new international trade routes could undermine the monetary base and erode state power.

尽管中央帝国通常非常富有和人口稠密，它本质上是很脆弱的，因为新的国际贸易路线的发展可能会破坏货币基础和侵蚀国家权力。

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The development of banking and other financial services contributed to the expansion of trade.

银行业和其他金融服务业的发展促进了贸易的扩张。

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The Doha Development Round began in Qatar in 2001 with the goal of scrapping trade barriers and subsidies, particularly in agriculture, by 2013.

多哈回合谈判是2001年在卡塔尔开始的，其目标是在2013年之前消除贸易壁垒和补贴，特别是在农业方面。

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Hassan Radmard, head of trade development at the Ministry of Trade and Industry, said Monday that the increase in prices of poultry and dairy products was a result of difficulties in buying animal feed, transporting goods from ports and completing financial transactions because of sanctions, official student news agency ISNA reported.

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He was involved in the setting up of the International Monetary Fund and the General Agreement on Tariffs and Trade, two great mechanisms of development.

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Also arriving were tenants like the trade-development office of Changzhou, a Chinese city that uses Pudong "like a bridge" to engage foreign investors, says its director Thomas Zhang.

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