https://www.vancouverlaser.com/zh-cn/articles/2019/%E8%82%89%E6%AF%92%E6%A1%BF%E8%8F%8C-vs-%E7%8E%BB%E5%B0%BF%E9%85%B8%EF%BC%8C%E9%82%A3%E7%A8%AE%E6%9B%B4%E9%81%A9%E5%90%88%E6%82%A8/
https://zhuanlan.zhihu.com/p/142617688