In the chart, the red line represents the random line, and the yellow line represents the ideal model.

在该图表中，红线表示随机线，黄线表示理想模型。

youdao

You could always wait for something to do or wait for something to happen. Wait for a bus or just stand in a random line and wait for no reason.

你可以等待着去做一些事情或者等待着一些事情发生，可以等候一辆公交车，或者只是随便站在一个地方，没有目的的等待。

youdao

But, I know that if I sit down, point to a random line on the menu and wait for the food to arrive, odds are I'll sink my teeth into something delicious.

但我知道，只要我坐下来，随便指向菜单上的一行字，然后等着菜上来，不久我就能吃上可口的饭菜。

youdao

And,it was not just a random act, he wanted to extinguish this royal line.

这并不是一次无计划的行动,刺杀者想要灭绝这支皇室成员

耶鲁公开课 - 1871年后的法国课程节选

The moderator then abandoned this line of questioning and instead showed random pictures, asking candidates to say the first thing that came to mind.

WSJ: Candidates Air Grim Views of Iran's Economy

If there were no correlation between prosperity and distance from the equator, we would expect the green line to be centered at zero with random oscillations due to noise in the data.

FORBES: The correlation is there.

When it reaches a new victim, the virus searches for addresses to despatch itself to and also picks a random e-mail address for the 'from' line to cover its tracks.

BBC: Virus makes unwelcome return