The sense of going back and forth, no one of us on top, not correspondent in a vertical way, how things going down there.

这种来来回回的感觉，没有人是在高处，也没人在低处。

普林斯顿公开课 - 人性课程节选

float So thus far, when we've defined -- declared an int and a float, 2 and so forth, we just put one value in there, the number 2, the number 3.14, just one single value.

至此，当我们定义--声明一个int，和一个，等等，我们只要在那里放置一个值，数字，数字3，14，只有一个值。

哈佛公开课 - 计算机科学课程节选

The fact that everything has to be translated back and forth makes it unwieldy, makes it virtually impossible for the candidates to interrupt one another and challenge one another and engage in the back and forth that we've seen in previous debates.

NPR: Republicans Reach Out to Latinos in Univision Debate

They support a weaker proposal than the one put forth in the Senate's version of the energy bill, which would raise the standard from 25 miles per gallon to 35 mpg by 2020.

FORBES: Magazine Article

The game continued its back-and-forth trend in the second period with each team giving up a one-goal lead.

WSJ: Fleury struggles in Penguins' 6-4 loss to Isles