the old school tie

剑桥词典

the way in which people who have been to the same expensive private school help each other to find good jobs
（貴族私立學校校友間的）相互扶持；老校友關系網
The old school tie still has enormous power in such companies . 在這樣的公司裡，老校友關系網仍然有很大的影響力。 返回 the old school tie