我发现你可以，比如说，通过观察一个人的说话或者挥手的方式来了解他。
I found out that you could, for example, discover things about a person by the way they talk and move their hands.
面部表情是一种有效的情绪显示器，通过观察一个人的面部表情，可以了解此人现在的情绪状态。
Facial expressions are significant biological indicators of emotion. We can realize one's emotion state according to the facial expression.
通过观察一个人所读的书，就能了解他的个性。就像观察他身边的朋友一样可以知道他的性格一样。
A man may usually be known by the books he reads as well as by the company he keeps.
这样他们的工作效率就取决于他们通过观察来找到问题的速度。两个人的头脑肯定会比一个人的好。
Where their rate of working is limited by the rate they can find things by just looking, two heads must be better than one.
心理学家称，你可以正确地判断一个人，只需通过观察他们的鞋子。
According to psychologists, you can correctly judge a person just by looking at their shoes.
也就是说，无监督式学习指的是一个人通过观察和感知进行的学习，如果计算机也能自行进行观察和感知，就能帮助我们解决更复杂的问题了?。
So unsupervised learning refers to how one learns from observation and perception, and if computers could observe and perceive on their own that could help solve more complex problems?
小宝宝不懂在各种各样的场合里一个人应该如何行事又会得到什么样的回报，他们是通过观察自己生活中重要人物的举止来学习的，大部分情况下是他们的父母。
Young children don't know how one is supposed to act or react in varioussituations, and they learn by watching the important people in their lives, most notably their parents.
小宝宝不懂在各种各样的场合里一个人应该如何行事又会得到什么样的回报，他们是通过观察自己生活中重要人物的举止来学习的，大部分情况下是他们的父母。
Young children don't know how one is supposed to act or react in varioussituations, and they learn by watching the important people in their lives, most notably their parents.
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