随着新兴经济体越来越富，他们会越来越少地依赖资本支出的强势支撑，再加上廉价农村劳动力源源不断的输入，又刺激了他们的扩张。

As economies become richer, they can rely less and less on the brute force of capital spending, coupled with a steady flow of cheap rural migrants, to fuel their expansion.

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硫酸乙酰肝素是肝磷脂的前体，是重要的抗凝剂，目前只能从血液中提取，从未成功合成提取过，它并不是蛋白质，而是一种富硫似糖的分子，经常参与糖基化反应。

This is a precursor to heparin, an important anti-clotting agent that has, at present, to be extracted from blood, rather than being synthesised. Heparan sulphate is not a protein.

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1927年起，看似自信满满，甚至带著救世主气息的富勒，想出兼融工程气势和诗意的多面体圆顶之类创新作品。

From 1927 on, Fuller seemed utterly self-assured, even messianic, as he developed innovations like the geodesic dome, equal parts engineering elan and poetry.

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