- 问题详情:Mostpeoplewillansweraringingphone.Usuallyyoudon’tknowwhoisphoningorhowurgenttheirbusinessis,soaringingphoneisdifficulttoignore.Inoneexperiment,aresearcherwrotedownthenumbersofseveralpublicphonesinstationsandairports.Thenhecalledthenumbers.So...
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