发布时间：2019-08-03 11:53:22
Diana could't cook before，but now she can do it.
戴安娜以前不会做饭现在会了
Diana can cook now although she can't before.
Diana could't cook before，but now she can do it.
Diana can't cook will now before
Diana didn't know how to cook and now she can cook.
Diana can't cook before but now she can.
Dia na could't cook before，but now she can do it.