如果你学习和工作累了，苏珊会给你讲有趣的故事，让你笑个不停。

If you're tired from study and work, Susan will tell you funny stories and keep you laughing a lot.

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如果你学习，我们会不遗余力地支持你们。

If you study, we will spare no effort to support you.

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如果你学习了上述的原理，很显然就发现没啥可担心的。

If you learn the above principles, it's easy to see that there's nothing to worry about.

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And if you noticed earlier that these are what we'd call powers of ten, these are just powers of two.

四位，八位吗？,如果你想想之前学习的十的次方，这些就是二的次方。

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It's very exciting, but if you think you know everything you don't need to learn, you don't belong to us. I always need to learn.

这很令人兴奋，但如果你认为,你什么知道，你不需要学习了，那么请你退出百度，因为人总是在学习。

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So if you were learning rhetoric, for example, you might practice giving speeches at the gymnasium.

如果你在学习修辞学，就可以在运动场通过演讲来练习。

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