经济学人下载:一周要闻 贸易担忧扰乱全球市场 特朗普介入大型并购案 欧央行加息推迟至2020年

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With low returns to safe assets, investors are in turn pushed to take more risks.
由于安全资产回报率较低，这进而会推动投资者承担更多风险。 

2.the euro zone 欧元区

A support plan has been agreed by all the countries of the euro zone.
欧元区全体成员国通过了救援希腊的方案。

3.waded in 介入

She just waded in and gave the kid a smack.
她径直插手其中，打了那孩子一巴掌。

4.interest rates 利率

The government's policy of high interest rates is having a detrimental effect on industry.
政府的高利率政策正对工业产生不利影响。