我認為我浪費了兩年半的時間待在這裡，也為了你們做了很多沒有報酬的事情

我認為我浪費了兩年半的時間待在這裡，也為了你們做了很多沒有報酬的事情

結果 (英文) 1:

I think I spent 2.5 years in here, but also for things you did a lot of unpaid

結果 (英文) 2:

I think I wasted two and a half stay here, you have to do a lot of things without pay

結果 (英文) 3:

I think I spent two and a half years here, and I did a lot of things for you.