11. be busy with sth → be (fully) occupied with sth 忙于某事 be busy doing sth → be (fully) occupied (in) doing sth 忙于做某事 【例句 】 He's fully occupied looking after three small children. 他所有的 時(shí)間都用來(lái)照顧三個(gè)小孩子了。

12. buy v. → purchase 購(gòu)買 【用法】 Where did you purchase the book? 你在哪里買到這本書的 ?

13. choose sth → opt for sth 選擇某物 choose to do sth → opt to do sth 選擇做某事 【例句 】 After graduating he opted to take a job as a database progra mmer. 畢業(yè)后他選擇接受一份數(shù)據(jù)庫(kù)程序員的工作。

14. choice n. → option 選擇 【用法】 option for sth ， option to do sth ， option of doing sth 【例句 】 Teenage mothers often have no option but to live with their p arents. 少女媽媽常常別無(wú)選擇，只能跟父母住在一起。

15. consider sth → take sth into consideration/account 考慮到某事 【例句】 ① Environmental factors should be taken into consideration in the pro gram.