她的电话号码跟我的差一个数字。

Her telephone number differs from mine by one digit.

《柯林斯英汉双解大词典》

据新华社报道，11位数字可构成数百亿个手机号码。

Eleven digits can be used to make tens of billions of mobile phone numbers, according to the Xinhua News Agency.

youdao

加拿大的手机号码可能是世界上最短的：使用7位数字。

Canada's mobile phone numbers are perhaps the world's shortest: they use seven digits.

youdao

with someone else who's standing next to you, you're going to sum your numbers together and one of you whoever is fastest probably is going to sit down and the other person is going to take on his or her number, the summation of those numbers; and then you're going to repeat and if you follow the logic here in just a few moments, there should be just one of you very awkwardly standing.

你们需要与站在你下面一个的你结成一对,把你们的数字相加,你们中最快的那个可以坐下,其他人将接着他的那个号码继续进行，计算这些数字的和，以此重复,如果你们遵循了这一逻辑，最后将只有一个人呆呆地站着。

哈佛公开课 - 计算机科学课程节选

We own our own phone number, that allows you to input key strokes like you would any system and this is an example of what we call CS50 Voice.

我们都有电话号码，这就让我们可以输入任意的数字,然后这是CS50，Voice的一个例子。

哈佛公开课 - 计算机科学课程节选