then I think absolutely plastic surgery can... maybe should be used if it's going to help with your self-confidence.

那么我觉得整形手术一定能……如果它能帮你增强自信，就应该整形。

关于整形手术 - SpeakingMax英语口语达人

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