重點講解：
1. serve as 用作；可當…使用；充作；
例句：Crude and simple, this place had to serve as the meeting hall.
這地方雖然簡陋，卻是我們的會議廳m)iQ#M7!TI。
2. on one's own 單獨地；獨自地；
例句：I would imagine she's quite lonely living on her own.
我猜想她一個人過肯定很孤獨^w]91]-m+SUn18LG。
3. assuming that 假定；假設；
例句：He is legally discharged from all previous obligations, assuming that his former debts were legal.
假設他從前的債務是合法的，那么破產可以使他從法律上解除從前的一切債務yOnUDGqn9x6!。
4. depend on 取決（于）；有賴（于）；
例句：The risk and severity of sunburn depend on the body's natural skin colour.
曬傷的風險和嚴重程度取決于人體的自然膚色TNsLWtDQPwppTpxl&OTA。
5. apply for 申請；請求；
例句：He has applied for an entry visa.
他已申請入境簽證u-yUiH9no5;]xIN~2kw。
6. leave out 排除；不包括；
例句：Some would question the wisdom of leaving her out of the team.
有人會質疑把她排除在隊伍之外是否明智KW8[atWY4dQx86。