Medical tests established that she was not their own child.

医学检测证实她不是他们的亲生孩子。

《柯林斯英汉双解大词典》

This is because most of their teachers give lessons in a language that is not their own.

这是因为大多数教他们的老师本身的母语也就不是英语。

youdao

For now, those outside the West continue to feel a certain pressure from beyond to think in ways not their own.

现在，西方世界外的人们持续感受到一种确切的外在压力，迫使他们放弃自己的思维方式。

youdao

"And that was in direct contrast with the c-section babies, who harbored bacterial communities that resembled human skin, but not their own mother's human skin any more than any of the other mothers in the study."

VOA: standard.2010.06.30

It was not like they were giving them a great deal, this was part of constructing their own business expansion.

并不是良心发现，而是为了生意扩张。

耶鲁公开课 - 新约课程节选

And Moses admonishes the Israelites not to suppose that their inheritance of the land of Canaan is due to their own powers, or on account of any righteousness or virtue that they possess.

摩西警告以色列人不要想当然地认为,他们继承迦南之地是凭借了自己的力量，或者视之为他们所拥有的正义和美德。

耶鲁公开课 - 旧约导论课程节选

They value a single language for business, he says, even if it is not their own.

ECONOMIST: It turns out to be English

We want people whose focus it is to build our clients' profiles, not their own.

CNN: Can you land a job with 140 characters?

But the vision they wanted to focus on was not their own, but their opponent's.

BBC: Obama and Romney offer double vision