经济学人下载:一周要闻 中国经济加速复苏 京东健康香港上市 日本推新经济刺激计划

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The book ensured his success.

这本书保证了他的成功。

2.certainly 当然

I'm certainly not scared of him.

我当然不怕他。

3.reveal 透露

She has refused to reveal the whereabouts of her daughter.

她已拒绝透露她女儿的行踪。

4.lucrative 获利多的

They do a lot of business in lucrative overseas markets.

他们在利润丰厚的海外市场上生意很多。