No, I don't know his number—I have quite enough trouble remembering my own.

不，我不知道他的号码，我光记自己的号码就够困难的了。

《牛津词典》

Looking at studies that tested concentration, the number of studies showing a benefit was exactly the same as the number that found no benefit.

在测试注意力的研究中，显示有益的研究数量与未发现有益的研究数量完全相同。

youdao

No, I don't know the room number.

不，我不知道房间号。

《柯林斯英汉双解大词典》

The researchers found no considerable change in the number of heart attacks in areas near Pueblo without smoking bans.

VOA: special.2009.01.07

I want to have the population at a number no greater than 20.

我希望人数是,不要超过20人。

麻省理工公开课 - 固态化学导论课程节选

Mark has a skill which, a number of skills, which one rarely sees in an entrepreneur no matter what the age is.

马克有一些技巧，很难在其他企业家身上,发现这种特质。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

As a rule of thumb every FinTech company should provide a toll-free phone number no more than one click from your homepage.

FORBES: 10 Rules For Disruptors In The Financial Services Industry

If any one of these things is out of place, or if the hash number no longer properly reflects the state of the encrypted key as recorded on the laptop, then, the user will have to go through the entire process of registering himself on the site, again.

ECONOMIST: Fake ID cards

If you ask me, I think Elvis said it best about such messages: Return to sender, address unknown, no such number, no such zone.

FORBES: Elvis Presley Had It Right When It Came To Insider Trading