"This will happen once," Zink said, "and then never again for many, many years."

“这种事情只会发生一次，”津克说，“之后许多年之内都不会再次发生。”

youdao

I climbed up there once, then never again: jaws hanging open, blank stares, the two of them sitting against the wall, insulation in their hair, holding hands.

我爬上去了一次，然后就再也没去过：我见到他们两人垂着下巴，无神地睁着眼，手拉着手靠坐在墙脚，头发上沾着些隔热纤维丝。

youdao

"Then you don't promise," said the Badger, "never to touch a motor-car again?"

“那么，”班杰说，“你不保证再也不碰汽车了？”

youdao

So, they call the Estates General then, but the king never calls it again until 1789.

紧接着,召开了三级会议,但是在1789年,三级会议才再次召开

耶鲁公开课 - 欧洲文明课程节选

So, if we look at the bottom here and the actual plot of the wave function, we see it starts high, very positive, 0 and it goes down 0 and it eventually hits zero, and goes through zero 0 and then becomes negative 0 and then never quite hits zero again, although it approaches zero.

我们看,这下面这是波函数，我们看到它开始很高，是正的，然后降低直到,然后它穿过，变成负的,最后接近,但没达到，在这个。

麻省理工公开课 - 化学原理课程节选

And then, I'm going to skip down a little bit: Though she never again called back any image of the dead man to dress up, pose, talk to and make answer, neither would she lose a new compassion for the cul-de-sac he'd tried to find a way out of, for the enigma his efforts had created.

接下来，我会跳过一些内容往下说：,虽然她从没有想起过，那个死人穿衣、摆弄姿势、,说话和回答问题时的样子，她也不会失去对他的同情，对他尝试摆脱,无路可走的困境所付出的，谜团一般的努力。

耶鲁公开课 - 1945年后的美国小说课程节选

This ratio implies that the market expects FLR to grow NOPAT by only 10% and then never grow again.

FORBES: Don't Fall Into Midcap Traps

That's a considerable hurdle -- only one in four mobile apps really engages mobile users, and 26% of all apps downloaded are opened only once and then never used again.

CNN: Phone, tablet users spend more time with apps than Web

Learn from your mistakes, and then never make them again.

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