獻計獻策
contribute ideas and exert efforts for;brainstorming (a method of solving problems in which everyone suggests ideas which are then discussed);a brainstorming session （港稱頭腦風(fēng)暴）
獻計獻策xiàn jì xiàn cè
向別人提出好的計策、辦法。come up with new and better ways to do things, offer advice, make suggestions, suggest ways and means