round robin
劍橋詞典
round robin noun [C] (LETTER)
UKa letter , usually of demands or complaints , that is signed by many people
（通常指提出請求或投訴的）聯(lián)名信，聯(lián)名聲明書
UK
a letter that you send to a lot of people , for example at Christmas , telling them what you have done that year
傳閱的信件，發(fā)送給多人看的信件（如在圣誕節(jié)時的信件，告訴別人自己那一年所做的事情）
round robin noun [C] (COMPETITION)
a competition in which all the players play against each other at least once
循環(huán)賽 返回 round robin