Concerns about the wider implications of such a change pulsed through discussions at the World Economic Forum in Davos last month and have contributed to widespread economic anxiety in the US.
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，这一点在爱思助手下载最新版本中也有详细论述
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After often years at sea, adult Atlantic salmon swim thousands of miles to return to the chalk streams where they were born.
（二）违反国家规定，在文物保护单位附近进行爆破、钻探、挖掘等活动，危及文物安全的。