困惑点：
https://www.v2ex.com/t/493216
数据工程师的崛起：
https://links.jianshu.com/go?to=https%3A%2F%2Fwww.freecodecamp.org%2Fnews%2Fthe-rise-of-the-data-engineer-91be18f1e603%2F
找个方向从底层做做个三五年啥都会了?
