正確的應該是buy的過去式為bought ,bought中文意思是v. 買(buy 的過去式和過去分詞)
If you bought your computer 10 years ago and you are reluctant to say goodbye, take note of how long it takes your PC to boot up.
如果你的電腦從買來已經超過10年而你又捨不得扔,那就把你電腦開機所需的時間記下來。