It's an honor to be here today to address HBS's distinguished faculty, proud parents, patient guests, and most importantly, the class of 2012. 今天很荣幸来到这里为尊敬的哈佛商学院（HBS）的教授们，自豪的毕业生家长们和耐心的来宾们，尤其是为
We are living on a planet with a lot of activities, with reference to our living environment,done by faith and guess alone. 我们对于这个地球上所发生的许多现象,都只是通过信念或猜测来认知。 Our lives depend upon these creatures. 我们的生
But there's not an amount of people that are scalable, but how many people do you currently have monitoring these accounts, and how do you figure out what's enough? 你说从事这项工作的人数永远不够，那么你现在到底雇佣了多
