经济学人下载:2021美国的发展牵一发而动全身(1)

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Chinese government is poised to conduct its first national survey of pollution sources in February to help control environmental deterioration in the country. 

中国政府准备在2月份进行首次全国污染源调查，以帮助控制环境恶化。

2.wreak havoc 肆虐，造成严重破坏

Their policies would wreak havoc on the economy.

他们的政策将对经济造成巨大的破坏。