9. We must learn to communicate and cooperate with each other.
我們必須學會與他人交流和合作。
還能這樣說：
We must exchange our ideas with others and work together with them.
We must have the idea to communicate and cooperate with each other.
應用解析：
cooperate in harmony 協調地合作；
cooperate towards that end 協力達到那個目標

10. At the end of every month, members in the company should summarize what they do in the 30 days.
每到月末，公司員工需要總結30天里所做的工作。
還能這樣說：
All the staff in the corporation needs to make a summarization at the end of every month.
At the end of every month, the staffs in the enterprise need to summarize their work contents.
應用解析：
summarize for 為……概括；
summarize in a sentence 歸納成一句話；
summarize the lecture 總結報告

11. Besides strong academic background, I am very industrious.
除了良好的學術背景，我還十分勤奮。
還能這樣說：
I am not only well-educated but also diligent.
I have strong academic background and I am diligent, too.
應用解析：
be strong on 擅長某事物，善于做某事；
a strong stomach 不感到惡心；
going strong 依然健壯；
as strong as a horse 力大如牛的

12. I acquired rich experience in market operations.
我擁有豐富的市場運作經驗。
還能這樣說：
I was experienced at market operations.
I was familiar with market operation.
應用解析：
bring sth. into operation 使某事物生效，起作用；
put into operation 使出于某種狀態(tài)；
be in operation 實施中；
operation on sb. 對某人進行手術