purser

n.

（轮船、班机等）事务长，（尤指客轮上的）乘务长；

复数：pursers

1. The purser is always ready to help passengers during a flight.
   飞行时事务长通常随时准备帮助旅客。
2. The chief purser assigned some crew members to the boarding bridge.
   乘务长派组员去登机桥了。

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