[] () (not usually used in the continuous tenses 通常不用于进行时) to make sb do or have sth, especially because it is necessary according to a particular law or set of rules使做（某事）；使拥有（某物）；（尤指根据法规）规定◆Motorists are required by law to have insurance.法律规定驾车者必须买保险。◆Many vendors require payment by credit card.许多商家要求用信用卡付款。◆Output has fallen below the required level.产量已降到规定水平以下。to need sth需要◆The new equipment requires less maintenance.新设备不需要太多保养。◆The launch of a new product requires careful thought and planning.新产品的推出需要细心筹划。