buffer

['bʌfə]

释义

n.起到缓冲的人/物
one that shields and protects against harm, or lessens the impact of a shock or other misfortune

例句
Frank：And, however we do this, we'll also need a buffer.
Doug :You mean an errand boy?(House of Cards)
弗兰克：不管我们打算怎么做，得找个中间人。
道哥：找个跑腿的傀儡吗？（纸牌屋）