And I found myself using this model not so much as a developmental model.

我发现自己使用这个模型与其说是一个发展模型。

I'm not even sure if it's a very good developmental model, because I saw my children not progressing exactly like that.

我什至不确定这是否是一个非常好的发展模式，因为我看到我的孩子并没有完全那样进步。