欢迎大家留言评论啊，评论好的话，论坛币全给你都成！

本来想邀请相关经验的进来发表一些看法，现在看来，目前国内还懂AF的人大概屈指可数吧。

The worth of learning AF is related to the worth of the AF application that will be developed and deployed.

看到这句话，我心中有答案了。