重點講解：
1. used to do sth. 過去常常；過去曾；
She used to enjoy a healthy and active life as other happy children but a disease has snatched away all that she used to have.
她曾和其他快樂的孩子一樣健康活潑，但是一場病奪去了一切P0M&dSbg4^2L。
2. depend on 取決(于)；有賴(于)；
Whether or not you qualify for a loan will depend on your financial circumstances.
你是否有資格申請貸款取決于你的經濟狀況+J5m!jI8kza[Mm6Wn。
3. be good at 擅長的；精通的；能干的；
I am not good at singing. I'm here just to make up the number.
我不會唱歌，我在這兒只是濫竽充數rx-eLNq!Qb@i^。
4. convert into (使)改變；更改；(使)轉變；
I need to convert this list into XML.
我需要將這張列表轉換成XML!),I9GQt|~jI3plqQ。