The clinical trial was designed such that almost two million elementary school children were given this test vaccine.

该临床试验的计划是,向近二百万的小学学生,接种这种测试疫苗

耶鲁公开课 - 生物医学工程探索课程节选

This is one the questions I get a lot from people who just staring out and say "Wow, technology has changed so much last five years, 10 years, 15 years, 20 years." Are all the great companies created?

这是我从很多只是向窗外眺望，然后说,“科技在近5年，10年，15年亦或是20年里,发展如此飞速“的人那儿得到的一个问题，所有伟大的公司都是创造出来的吗？

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选