lodestar
n. 北极星；目标；指导原则（等于 loadstar）
例句
At the same time, it's our lodestar.
同时也是我们始终不渝的经营理念。
The economies of the Middle East and north Africa have no such lodestar.
中东和北非的经济就没有这样一个向导。
A mistress lives perhaps too much in the present, but this immediacy is a lodestar.
一个情人则可能过分注重此情此景，活在当下就是她的指导原则。
