例句與造句

1. But there is one problem type
   但是有一個問題類型：
2. Ha ha i will try my best to use translation . i do understand mandarin but i just having problem typing it
   呵呵，我會盡我所能，用翻譯。我確知的國語，但我只是有問題，鍵入它。
3. It's difficult to find problem types in a sentence. 用problem types造句挺難的