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.
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今天，我们就复盘Sun City的医疗体系搭建之路，看它如何从“无医可依”，一步步破解退休老人的医疗痛点。
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