n. 永久的职位

[法] 长久不变

[ noun ]
the property of being able to exist for an indefinite duration
<noun.attribute>

Permanence \Per"ma*nence\, Permanency \Per"ma*nen*cy\, n. [Cf.
F. permanence.]
The quality or state of being permanent; continuance in the
same state or place; duration; fixedness; as, the permanence
of institutions; the permanence of nature.