lead-in可以说:What I talked about just now was only a lead-in to more thoughts and analysis on the use of language in thoses two pieces of poetry.气质就是something可以说:he has something of a writer.
抛砖引玉 a modest spur to induce others to come forward with valuable contributions 例句: What I've said accounts for a modest spur to induce you to come forward with valuable contributions. 我的发言只算是抛砖引玉