And we challenge ourselves to do the system design so that we responsibly took into account all of the dimensions that we talked about at the beginning.

我们通过做这个,制度设计挑战自我,以便于充分考虑,我们最初谈到的,所有方面。

麻省理工公开课 - 媒体、教育、市场课程节选

Are you among those more comfortable, have you taken any computer science, were you programming at the age of 10 but you'd actually like to learn a bit about things you don't yet know and challenge yourself with new content or are you somewhere in between?

你对电脑比较熟悉么，你上过计算机专业方面的课程吗？,你是不是10岁就会编程,来上课的目的只是为了学习未知的知识,或者用新知识来挑战战自我？,还是二者兼有？

哈佛公开课 - 计算机科学课程节选

So it was an opportunity for them to challenge themselves.

对他们来说,这是挑战自我的机会。

麻省理工公开课 - 媒体、教育、市场课程节选