This is an activity that could never have happened before the age of electronics and a word that could never have happened before the age of globalization.

这样的活动，在电子化之前的时代是无法发生的。这个语词，也是在全球化之前的时代不会出现的。

youdao

This has never happened before, at least not in moderntimes.

此前，这从未——至少在现代——发生过。

youdao

This is unnatural. It has never happened before. We have no explanation.

这是反常的。以前从未发生，我们无法解释。

youdao

One can never come before something that, of course, has already happened, but this fiction of an impossible firstness is something that Milton is working very hard to accomplish here.

一个人绝不可能先于，已经发生的事情，但弥尔顿在这里就是要,努力达成这种不可能的先知。

耶鲁公开课 - 弥尔顿课程节选

This had never happened in an English class before.

这种情况在以前的英语课上从来就没发生过！

耶鲁公开课 - 文学理论导论课程节选

Representative WILLIAM JEFFERSON (Democrat, Louisiana): This has never happened before, and the first time it's happening it's happening to an African American.

NPR: A Year of Ethics Lapses in Congress

Something like this has never happened before.

NPR: China Pulls 'Django Unchained' On Day Of Premiere

"I was thinking, 'This has never happened before in poetry, and I'm sure it will never happen again, '" says John Barr, president of the Poetry Foundation, the author of six volumes of poetry and a former investment banker.

FORBES: Magazine Article