"Not that it matters," said Trujillo indifferently.

“它倒不是那么重要”，特鲁希略漠然地说。

《柯林斯英汉双解大词典》

youdao

Not that it matters, but yes.

那并不重要，但，是的。

youdao

"That non-coding RNA, well,what does it do? Well,it's not that it's going to make a protein."

VOA: standard.2010.04.05

It's not that it's totally wrong, but it's not bad.

这是完全错误的，但这个答案不坏。

耶鲁公开课 - 心理学导论课程节选

not that it should be free online or be able to be stolen online.

不是说在网上应该是免费的或者可以在网上盗窃。

不能非法下载 - SpeakingMax英语口语达人

It is not that it is a completely transformed side with no senior players in the team.

BBC: Tendulkar boost for Aussie Tests

It is not that IT will have to say yes to everything end-users want to do.

FORBES: Transforming CIOs from Benevolent Dictators to Product Managers

Not that it mattered much: The song wasn't exactly destined for the Billboard charts.

WSJ: We Can All Have a Slice of Pi | Postmodern Times by Eric Felten