当你的脚离开刹车踏板时,汽车应该保持静止。
The car should remain stationary when you take your foot off the brake pedal.
如果点击我正在阅读的某本书,立马就会打开上次离开时的页面,那是阅读软件应该具有的功能。
If I click one of the books I'm currently reading, I'll be brought immediately to the page I left off with. That's how a reader should behave.
这意味着它们几乎应该立即脱开恒星,而光子则需要约3小时才能离开。
That means they should escape the star almost immediately, while photons of light will take about 3 hours.
OK, in a few minutes we're going to start talking then about what is computation, how are we going to start building those tools, but that's what you should take away, that's what you're going to gain out of this course by the time you're done.
好啦,我们会花一点儿时间,谈谈什么是计算,我们如何去建造这些工具,但是这些是你应该,在离开这个课堂时,应该学会的事儿。
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