People at that time didn't know who's Libyan and who's a foreigner.

那个时候的人们已经分不清谁是利比亚人谁是外来者。

youdao

But if people at that time have animal protection consciousness, you will not cause the dodo extinction.

但是如果当时人们有动物保护意识的话，就不会造成渡渡鸟的灭绝。

youdao

At that time people had large families as an insurance against some children dying.

那时人们养的子女很多，以防有孩子夭折。

《牛津词典》

Most people at that time thought it was not important for young women to learn anything more than to read and write.

VOA: special.2010.04.25

We only had about 20 people at that time.

那时公司只有20个员工。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

but at the same time that means I get to meet a lot people that I wouldn't normally have met.

但同时这意味着我能接触到更多的人，如果不是在布朗大学，我可能没有这样的机会。

尊重多样化 - SpeakingMax英语口语达人

That was also at rush hour and it killed 46 people at that time.

NPR: Collapsed Minneapolis Bridge Was Under Repair

"The fact that the man had been buried rather than cremated as most of the people were at that time was a clue to the fact he was probably well off, " he said.

BBC: Roman man's face finally revealed at Caerleon museum

To him, book learning smelled of wealth only rich people had books at that time and thus of arrogance.

NEWYORKER: Rich Man, Poor Man