Economic phenomena are not economical phenomena.

经济学现象不是节约现象。

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Risk is a natural phenomena, it is also a social and economic phenomena.

风险是自然现象，也是社会和经济现象。

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Economics can make rather remarkably accurate predictions about economic phenomena.

经济学能够对经济现象作出相当精确的预测。

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Any number of social and economic phenomena can be pointed to as evidence of this fact.

FORBES: The Nikkei to Japan's Manufacturers: To Survive, Invest Abroad

Before 1900, thinkers who analysed economic phenomena included philosophers, theologians, legal scholars, mathematicians or scientists.

ECONOMIST: Economic history

At the best of times, statistical studies of economic phenomena are exercises in economic history, not economic science.

FORBES: Narrow focus on debt and deficits distracts us from the primary problems