YSK: If you are in a job you like, it is instinctual to want to make yourself irreplaceable, but if you want to advance your career, you need to make yourself replaceable.
from /r/YouShouldKnow
YSK：如果你從事你喜歡的工作，想讓自己變得不可替代是本能，但如果你想提升你的職業生涯，你需要讓自己變得可替代。