AngularJS：为什么我不能在我的视图中注入html？

I'm very very new to AngularJS and I saw some solutions on SO, but, due to my inexperience, I can't figure out how to achieve my task with those solutions, so I'm asking for help, please bear with me. Basically, as my question says, I need to inject and render some HTML in my view. Here is my code:I'm very very new to AngularJS and I saw some s