transform 理解
https://zhuanlan.zhihu.com/p/166608727
bert:
https://www.jianshu.com/p/ff43575ab2b0
graphsage
https://zhuanlan.zhihu.com/p/79637787
bert举例子：
https://zhuanlan.zhihu.com/p/166608727
PAL
https://zhuanlan.zhihu.com/p/83571732
多目标发展史
https://cloud.tencent.com/developer/article/1811384
L1 vs L2 理解
https://www.zhihu.com/question/26485586