In Sichuan, soldiers spent a hard time creeping across Luding Chain Bridge, which was made up of 13 iron chains, in the middle of gun fire.

在四川，士兵们在炮火中艰难地爬过由13条铁链组成的泸定铁桥。

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Good relations with Iran are worth sacrificing for the bigger aim of preventing a chain reaction of proliferation across the Middle East.

为了一个更大的目标-即阻止中东地区的核扩散，牺牲与伊朗的良好关系是值得的。

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At present they get a fraction of the price paid by consumers due to the presence of several middle men in India's antiquated retail supply chain.

目前他们只能获得消费者支付价格中的一小部分，因为印度过时的零售供应链中存在着多层中间商。

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The department said it planned to move a middle-grade charter school Brooklyn East Collegiate, a member of the Uncommon Schools charter chain into the space opening up at P.

FORBES: New York Public School Battles City Over Charter

Express Scripts is a Pharmacy Benefit Manager which means they sit in the middle of the pharmaceutical supply chain and help the supply chain operate efficiently.

FORBES: Berkeley Takes the Express and Wins BIG at Ross Stock Competition