气候日渐转暖,人会感到困Haa5、疲乏、头昏欲睡,这就是Aptl们常说的“春困”SuWK
(Source:DichevandYu:Higherrisk,lowerreturns,whathedgefundinvestorsreallyearn.Journaloffinancialeconomics,Aug2010)