在一些文化中，我们用握手或其他手势来打招呼，以表明我们没有携带武器——我们是为和平而来。
In some cultures we greet people by shaking hands or with another gesture to show that we are not carrying weapons—that we come in peace.
他们还可能关心其他类型的问题，例如，该公司是否涉及出售武器。
They might also be concerned with other kinds of issues, for example, whether the company is involved in selling arms.
由于一百万人中可能有一名乘客会携带武器登上飞机，其他999,999名乘客必须接受搜查和延误。
Because of the possibility of one passenger in a million boarding an aircraft with a weapon, the other 999,999 passengers must subject themselves to searches and delays.
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