1、實(shí)用的英語：economic，英 [?i?k??n?m?k] 美 [?i?k??nɑ?m?k]。
2、他們想設(shè)計(jì)一種既美觀又實(shí)用的機(jī)械。They wanted to design a machine that was both attractive and practical.
3、這本實(shí)用的旅行指南教給你放松的方法、處理問題的技巧以及如何安排時(shí)間。This practical guidebook teaches you about relaxation coping skills and time management.
