... 人身安全：personal safety 人流速率：people flow rate 人类触发的故障：human initiated failure ...
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In the two decades since the end of the Cold War, the free flow of information, people, goods and services has accelerated at an unprecedented rate.
冷战结束后的20年，信息、人员、商品和服务都以前所未有的速度加速自由流动。
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