◎拋磚引玉pāozhuān-yǐnyù
[throw out a brick to attract a jade;(fig) offer a few commonplace remarks by way of introduction so that others may come up with valuable opinions] 拋出磚去，引回玉來(lái)。比喻自謙以粗淺的見(jiàn)解引出別人的高見(jiàn)
方才婢子費了唇舌，說(shuō)了許多書(shū)名，原是拋磚引玉，以為借此長(cháng)長(cháng)見(jiàn)識?！?/span>清·李汝珍《鏡花緣》