The Reverend Nelson wrote that his decades as a "simple, old-fashioned principal" had ended with schools undergoing such swift changes that he had retired in self-doubt.

纳尔逊牧师写道，他那平凡的传统校长的岁月随着学校里发生的如此迅猛的变化而结束，他怀着自我怀疑的心态退了休。

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Your mortgage payment is constant through time but the fraction of it that goes to paying off principal versus interest changes through time and it just changes as dictated by this formula.

抵押贷款每月还款是固定的,但是其中本金和利息的比例关系,会随时间而改变,这是由这个公式所决定的

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The United States has been the major producer of greenhouse gases for most of the last hundred years and thus a principal cause of the adverse changes that are altering the global environment.

过去一个世纪的绝大多数时间里，美国已经成为温室气体最主要的产生者，因此应该对全球气候的不利改变担负主要责任。

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The lowest performing schools would face changes such as replacing teachers and the principal or being closed.

VOA: special.2010.03.18

Your mortgage payment is constant through time but the fraction of it that goes to paying off principal versus interest changes through time and it just changes as dictated by this formula.

抵押贷款每月还款是固定的,但是其中本金和利息的比例关系,会随时间而改变,这是由这个公式所决定的

耶鲁公开课 - 金融市场课程节选

The latter will be a particular concern for buyers, since the principal is adjusted for changes in the consumer price index, and would shrink.

ECONOMIST: Japanese inflation-linked bonds

His principal aim was to hold the line against all those changes in the 19th century that threatened the power of his own class, the territorial aristocracy.

ECONOMIST: British politicians: Just say no | The

Those who disagree often cite mostly positive political changes in the former Soviet Union as a principal reason why the U.S. is today less in need of nuclear deterrence than in the past.

CENTERFORSECURITYPOLICY: Freedom Flame 2013