献计献策
contribute ideas and exert efforts for;brainstorming (a method of solving problems in which everyone suggests ideas which are then discussed);a brainstorming session （港称头脑风暴）
献计献策xiàn jì xiàn cè
向别人提出好的计策、办法。come up with new and better ways to do things, offer advice, make suggestions, suggest ways and means