Once that happened, the themes of the opera presentations also started to change.

一旦这种情况发生了，歌剧表演的主题也会开始改变。

youdao

Once that happened, I just kept pushing my studying further and further back in my day.

一旦发生这种情况，我就不断延后一天中的学习时间。

youdao

Once that happened, you would start to die.

一旦这样，你就开始要死了。

youdao

As has happened many times in the past, they are hoping that customers will flock back, once they get accustomed to the higher prices.

VOA: standard.2009.09.19

Any other self-respecting species would take the Darwinian hint and die once that happened.

BBC: Viewpoint: Just what is middle age?

Once that happened, people who were in the U.S. illegally could begin to apply for a provisional legal status.

NPR: GOP: Stronger Borders Or Immigration Bill Will Die

Once that happened, they'd call the help desk, to the tune of 30, 000 calls per month for password resets.

FORBES: Magazine Article