On the supply side, individuals are assumed to operate on the principle of utility maximization.

从供给方面来看，假定个人行为是遵循效用最大化原则。

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Critical sections operate on the principle of mutual exclusion (when a thread is within a critical section, all other threads are excluded from entering).

临界段操作时坚持互斥锁(mutual exclusion)原则(当一个线程处于临界段中时，其他所有线程都不能进入临界段)。

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At the same time, we operate on the strict principle that our decisions are not influenced by the identity or location of any author.

同时，我们严格按原则操作。我们用稿决定不是依照作者的身份或来源而决定的。

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The music and lyrics by Kander and Ebb operate on the old-fashioned principle that every song should be a showstopper, regardless of whether the show should be stopped.

NEWYORKER: Chicago

It is increasingly clear that much of corporate America has been permitted to operate on the principle that it gets the profit but somebody else takes the risk.

ECONOMIST: Letters