1.快速升職的捷徑（名詞，非正式）；2.快速推進（及物動詞，非正式）

1. (noun, INFORMAL) A career path to rapid promotion.2. (transitive verb, INFORMAL) To help something progress more rapidly than usual; to expedite.

EXAMPLE: My talented daughter is on a fast track to become a vice president in the company where she works.

我的天才女兒有望快速當上她所供職公司的副總裁。

EXAMPLE: If our boss likes my new project proposal, he will fast track it so I can start working on it as soon as possible.

如果上司喜歡我的新的項目建議，他會快速推進，以便我盡快啟動。