Maybe, roughly speaking, it should measure how far these points are from the line. But now there are various ways to do it.

说白了，我们应该考虑的是,这些点离直线有多远，这有很多种方法。

youdao

If your foot points down, you need to measure the distance between the top of your big toe and an imaginary line from the bottom of your heel.

如果你的脚底朝下，那么你需要测量你的脚后跟到你大脚趾所在垂线的最短距离。

youdao

P1 If we have a curve c, from a point p0 to a point p1 then the line integral for work depends only on the end points and not on the actual path we chose.

如果曲线c，起点为P0，终点为1，那么计算所做功的线积分，只与端点位置有关，而与我们选择的路径无关。

youdao

He chose the line so that--this is Gauss-- he chose the line to minimize the sum of squared distances of the points from the lines.

高斯选的这条线,所有点距离这条直线的平方和,是所有直线中最小的

耶鲁公开课 - 金融市场课程节选

Rooney had to watch most of the match from the bench and his omission from the starting line-up will be one of the talking points from the game.

BBC: Man Utd 2-2 West Brom

The Heat racked up 31 points from the line, while Oklahoma City managed just 15.

CNN: Miami Heat win 91-85 after late-game Oklahoma blunders

The Saints replacement powered over with six minutes left, and a weaving run to the line from Meli at the death brought up the half century of points for the defending champions.

BBC: St Helens 53-10 Catalans Dragons