"What we are doing,folks, we are rolling up our sleeves and we are getting down to business and getting back to the common sense conservative principles that made this country the greatest country on earth, and we are not going to sit down and shut up."

VOA: standard.2010.03.28

So you can think of a new line as being rolling the paper up so you're on a new line but a carriage return moves the cursor or moves that writing head all the way back to the left.

你们可以把换行想象成翻纸,把回车当做是将光标,移动到最左边。

哈佛公开课 - 计算机科学课程节选