需要: 1.(应该有或必须有) need; want; require; demand; do with 短语和例子需要立即采取行动 require immediate action; 她需要休息。 she is in need of a rest. 我们需要一个和平的国际环境。 we want [need] a peaceful international environment
调查: 1.(为了解情况进行考察) investigate; examine; inquire into; look into; survey; (try to) learn the facts about; on (closer) investigation; make an investigation on [of; into]; hold an inquiry into st
