The Google self-driving car or the Udacity self-driving car thrives on massive amounts of data, and it can't do anything else.

Google 自动驾驶汽车或 Udacity 自动驾驶汽车依靠海量数据蓬勃发展，除此之外别无他法。

At Udacity and Coursera self-improvers pay for cheap, short programmes that bestow " micro credentials" and " nanodegrees" in, say, self-driving cars or the Android operating system.

在优达学城（Udacity）和Coursera，进修者付费学习低价的短期课程，获得如自动驾驶汽车或安卓操作系统方面的" 微证书" 和" 纳米学位" 。

But David Stavens, who taught at Stanford and recently co-founded a free online university called Udacity, says a quality education is becoming too expensive for most people.

在斯坦福任教的戴维·斯塔文最近合作创立了名为Udacity的在线网络大学，他说对很多人来说，高质量的教育日益昂贵。