Terminal applications have a “cursor” that they can move around, just like a text editor. You can tell that cursor “go to line 3, delete everything, then print out this new text” by using VT100 sequences. And you can use it to replace existing characters with new ones, without re-emitting a whole line.
不同的结构，也让麦当劳和肯德基逐步走向了不同的扩张道路。
。服务器推荐是该领域的重要参考
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4 4 1 2A mothlamp problem, defined by myself yesterday out of boredom, is a particular kind of engineering problem that has three important qualities: