例如，1962年以来，中国开始在河北省塞罕坝植树。

For example, since 1962, China has been planting trees in Saihanba, Hebei Province.

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在18世纪早期英国与中国开始直接贸易之前，茶叶相对昂贵。

Tea was relatively expensive until Britain started a direct trade with China in the early 18th century.

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然而，上世纪80年代，中国开始推行自由市场改革；90年代，印度紧随其后，两国都实现了快速增长。

However, once China began embracing free-market reforms in the 1980s, followed by India in the 1990s, both countries achieved rapid growth.

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We set up--this is not a new idea, this goes back to China thousands of years ago, but it started to be widely done-- So you had a Civil Service exam that established your competence.

我们建立了，这不是什么新主意，可以追溯到几千年前的中国，但这次开始广泛地实施开来-,你得参加公务员考试来考核你的能力。

耶鲁公开课 - 金融市场课程节选