title: 读Ph.D.的意义是什么？
topic: 留学
content: httpmatt.might.netarticlesphd-school-in-pictures 剧透：前半部分很多人都看过，但是重点在后面。Imagine a circle that contains all of human knowledge By the time you finish elementary school， you know a little By the time you finish high school， you know a bit more With a bachelor's degree， you gain a specialty A master's degree deepens that specialty Reading research papers takes you to the edge of human knowledge Once