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.
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用。新收录的资料对此有专业解读
Россия вышла из соглашения с ООН14:29，这一点在新收录的资料中也有详细论述
PinkPantheress makes history by winning Brit Award for best producer