That makes for millions who cannot email their doctor or submit an application for a job or take a class online.

VOA: standard.2010.01.05

And if you're sharing a particularly decent amount of code, you should definitely submit it as private, or if easier, you can email help at cs50.net.

当你分享了一些相当好的代码量,也可以私下提交，或者更简单点，发邮件到cs50，net寻求帮助。

哈佛公开课 - 计算机科学课程节选