问题标题：
【Supposeyouaredrivingonahighwaywiththreelanesgoinginyourdirectionandyoucomeuponatollplazawithsixtollbooths.Threetollboothsarestraightaheadinthethreelanesoftraffic,andthethreeotherboothsareofftotheright.Which】
问题描述：
Supposeyouaredrivingonahighwaywiththreelanesgoinginyourdirectionandyoucomeuponatollplazawithsixtollbooths.Threetollboothsarestraightaheadinthethreelanesoftraffic,andthethreeotherboothsareofftotheright.Whichlaneshouldyouchoose?(86)Thereareusuallyenoughpeoplesearchingfortheshortestlinesoastomakeallthelinesaboutthesamelength.
Thetermprofitineconomicshasaveryprecisemeaning.Economists,however,oftenlooselyreferto“gooddeals”orprofitableventureswithnoriskasprofitopportunities.Usingthetermloosely,aprofitopportunityexistsatthetollboothsinonelineisshorterthantheothers.Thegeneralviewofeconomicsisthatprofitopportunitiesarerare.Atanyonetimetherearemanypeoplesearchingforsuchopportunities,andasaconsequencefewexist.
郭树理回答：
设想你正行驶在3车道的公路上.你遇见了一个收费站设有6个收费亭,其中3个在3车道的正前方,令3个在右手变的不远处,你该选择哪个车道呢?通常有大量的人寻找最短的路线以便使所有线路长度等同.经济学中的术语“利润”一...
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