
大部分为不可数,The form was terribly complicated and I had a lot of trouble with it.但有时也可数She thought her troubles would be over once she'd got divorced.。你自己定就行。

大部分为不可数,The form was terribly complicated and I had a lot of trouble with it.但有时也可数She thought her troubles would be over once she'd got divorced.。你自己定就行。