to exchange的用法和樣例：
例句
- Research is also advanced by frequent conference to exchange experience.
經(jīng)常開(kāi)會(huì )交流經(jīng)驗也促進(jìn)了研究工作的發(fā)展。 - In fact, personal contact is the best way to exchange our view.
事實(shí)上，個(gè)人接觸是交換看法的最好途徑。 - John saved10 cent savings stamps until he had enough to exchange for a$25bond.
約翰儲蓄10分錢(qián)的儲蓄券，一直到他有足夠的錢(qián)才換成25元的公債券。
