Most airlines operate a seniority list-you start at the bottom on the day you join, and move up as pilots either retire or leave for other companies.

大多数的航空公司都有一份资历表，从你进入公司的那一天起你的名字就落在了该表的最底部，你可以一直往上升直到退休，也可以换公司。

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Some firms list officers first, in order of seniority .

有些公司则是按照资历顺序，先列高级官员。

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Currently, bus companies are required to fill open jobs based on a citywide seniority list.

WSJ: School Bus Strike Ends

We feel it benefits all pilots, no matter where you are on the seniority list.

FORBES: How US Airways Pilot Leaders Found Their Way to Unanimously Back Merger Deal

Without question, the biggest road bloack to labor peace at US Airways has been the inability to find a compromise on a seniority list for the two pilot groups.

FORBES: US Airways Flight Attendant Deal Could Help Merger Effort