雇用素不相识的人应三思而行。
You should think twice about employing someone you've never met.
让孩子们向素不相识的人讲述这样的事情可能是难为了他们。
It can be embarrassing for children to tell complete strangers about such incidents.
埃德算了一下，大概有上千万素不相识的人已经了解了我们的一切。
From this, Ed has calculated that perhaps tens of millions of people we will never meet already know all about us.
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