重點講解：
1. in an effort to do sth.
例句：In an effort to save money our company president aced the promotions budget.
為節省開支,我們公司的總裁大幅削減了推廣活動的預算&v)fYGDHJy_3;~PBO|。
2. save sb. from sth./doing sth. 免去；省去；使免受；
例句：She was hoping that something might save her from having to make a decision.
她希望有什么能使自己不必作決定JYRVfbJC~RK~%32u。
3. in a row 連續地；接連不斷地；不間斷地；
例句：Many e-trading websites prohibit buyers from placing two bids in a row.
很多拍賣網站都禁止買家連續兩次下標i|)6pGfM)1。
4. due to 由于；因為；
例句：She was amerced due to overspeed driving.
她因超速開車而被罰款@;_=OWEhmF8P0[ZF2aFS。
5. play a role in 在……中發揮作用；
例句：He played a leading role in solving the problem.
他在解決這個問題方面起了主要作用IX#vG*-dyfZFi!H。
6. be responsible for 負有責任的；應承擔責任的；
例句：I was responsible for the crushing defeat.
我對這次慘敗負有責任79PhW^1tZ3=g3xtZ#Z~。