In hind sight it's easy to see where we screwed up and where we possibly could have made things better.
事后，我们会很容易明白，我们搞砸了，我们可能在这方面做的更好。
youdao
The only perfect science is hind-sight.
仅有的完美的科学就是马后炮。
应用推荐
模块上移
模块下移
不移动