So I could get to that object either through this path or through that path, it didn't matter which path I use to modify it, I would see it when I looked at the other. Yes.

另外一条绑定获得这个对象,无论我通过哪个绑定来修改它，我都能在两个绑定中都看到做的改变，是这样的。

麻省理工公开课 - 计算机科学及编程导论课程节选