in demand(of)需要;受欢迎 on demand一经要求 make demands提出要求 meet the demand for满足…的需要 satisfy one’s demands满足某人的需要 ⑵vt./vi.要求 demand sth.from/of sb. 向某人要某物 demand to do sth 要求做某事 demand of sb. to do sth. 要求某人做某...