一个训练的模型：
https://www.jiqizhixin.com/articles/2018-05-15-10
https://github.com/Embedding/Chinese-Word-Vectors
一个对于word embedding的介绍：https://medium.com/life-of-small-data-engineer/%E8%83%BD%E8%A2%AB%E9%9B%BB%E8%85%A6%E7%90%86%E8%A7%A3%E7%9A%84%E6%96%87%E5%AD%97-nlp-%E4%B8%80-word-embedding-4146267019cb