But the principal reason for not making the short sea crossing from Africa to Italy was that by then the Romans had replaced the Carthaginians as the masters of the Mediterranean.

没有经海上捷径从非洲到意大利的主要原因是，当时罗马人已取代了迦太基人当上了地中海霸主。

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The concept of order was apprehended, it was thought, by the reason, which was regarded as the principal human faculty, the one which distinguished man from beasts, and which he shared with angels.

对秩序的概念被理解领会，从原因上看被认为这是做为主角的人类的天赋，是人类有别于禽兽有同天使相同点的原因。

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By far, the most important reason for performing a principal components analysis (PCA) is to use it as a tool for screening multivariate data.

到目前为止，最重要的原因为执行一个主成分分析(PCA)是使用它当作一个工具，用于筛选的多元数据。

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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

The latter was the principal reason for the invention of fermented beverages which, pleasurable as they may be, have in turn produced their own health problems.

ECONOMIST: Food in history

The principal reason to see this film, as with its predecessor, is Michael Douglas, whose Gordon Gekko, after a spell in jail, looks older, no wiser, but more rueful about his crimes unless, that is, you are cynical enough to believe that repentance itself can be a scam.

NEWYORKER: Wall Street: Money Never Sleeps