人们已经知道很久以前人类是什么样子的。
举例来说，线程存在很多年来人们已经知道的脆弱性。
Threading, for example, has frailties that have been known for many years.
在当今社会，人们已经知道保持健康的重要性，好的生活习惯。
In current society, people have known the importance of keeping healthy and good life habit.
我已经知道人们会对这篇文章有何反应。
“已经在那儿，已经这样做的”人们很愿意分享他们知道的信息。
People who have 'been there, done that' are more than happy to share information about what they know.
如果你已经是成功一族，人们以为你知道原因。
If you have been touched by the success fairy, people think you know why.
人们可以辨别出来是否你已经知道了希望从他们那里得到的是什么，如果你能清晰地告诉他们那是什么，…要让他们对你要他们去做的大大容易地多。
People can tell if you already know what you want out of them, and it's much easier for them to do what you ask them if you can tell them clearly what that is.
人们对非朊基已经有很好的研究了，知道其与毒性无关。
This prosthetic group has been well studied and is not associated with any toxicity.
我知道，现在道歉已经晚了，但是我真的很想说，向那些我曾经伤害过的人们说一句对不起。
I know, it's too late to apologize, but I really want to say deeply sorry to all the people I have hurt.
正如你们所知道的，在许多年前人们已经开始庆祝我的生日了。
As you know, the celebration of my birthday began many years ago.
人们知道空气中有电能已经好几百年了。
The existence of electricity in the air has been known for centuries.
人们知道空气中有电能已经好几百年了。
The existence of electricity in the air has been known for centuries.
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