绝妙的奢华：70年代，黄金和玫瑰金比白金和铂金更流行。

Groovy glitz: in the '70s, yellow and rose gold became more popular than white gold and platinum.

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工人们需要延长工作年限：按照现有的社保规则，将退休年龄延期至70岁，所得养老金比在62岁退休时能增加76%。

Workers will need to work for longer: on current Social Security rules, postponing retirement until 70 results in a 76% increase in payments compared with taking the pension at 62.

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研究人员本月在《地质学》杂志上报道说：这样形成的金比原来的金颗粒纯度要高得多，因而对矿工的吸引力也要大得多，原来的金颗粒含有银和汞。

This form of gold is much purer than the original gold grains, which also contain silver and mercury, and is thus much more attractive to miners, the team reports this month in Geology.

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Now, Piaget fared a lot better than did Freud or Skinner for several reasons.

皮亚杰要比弗洛伊德或是斯金纳成功很多,原因有以下几点

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So you build it with a material like silver and gold, and then you encounter the problems of society that your bridge might get stolen because somebody thinks they have a better use for silver and gold than your bridge.

但如果你用金或银这样的材料,你又会面对新的问题,你的桥会被偷走,因为有人认为金和银有比造桥更好的用途

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