显性差异(prcptible differences) 隐性差异（hidden differences） 诱导性差异（induced differences） 5-3-5 造成产品差异的基本手段是品牌（brand），品牌 指标明产品及其产地，并使之与同类产品有所区 别的文字、名称、符号或花...
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As long as the U.S. economy keeps muddling through and the European Central Bank keeps the continent from falling into debt-induced chaos, the differences among central bankers could drive short-term market results.
WSJ: How to Play Central Banks
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