need;want;require;demand I need a book.我需要一本书。The roof requires repairing. 屋顶需要修理了。 She demanded to see the headmaster. 她请求见校长。I want to sleep.我想要睡觉。...
(应该有或必须有) need；want；require；demand；do with我们需要一个和平的国际环境。We want [need] a peaceful international environment.(对事物的欲望或要求) needs经济上的需要 economic needs;满足市场需要 meet the nee...
