常見(jiàn)例句雙語(yǔ)例句There are five problems in writing dissertations of liberal arts: 1. "the virgin land cultivation" and "the peak climbing" in topic selecting;文科博士的論文寫作有五個(gè)大問(wèn)題：一、選題的“開荒地”和“攀高峰”問(wèn)題； 返回 virgin land cultivation