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.
// Sync — when all components are synchronous
，这一点在旺商聊官方下载中也有详细论述
Цены на нефть взлетели до максимума за полгода17:55，这一点在safew官方版本下载中也有详细论述
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