- 问题详情:Mostpeoplesleepatnight,butFranksleepsduringthedayandworksatnight.Hisworkistoguard(看守)alargefactory.Heislonelybecausenobodytheretalkswithhimintheevening.Franklikeshiswork.Heknowsthatitisimportanttoguardthefactoryatnight.Ifhehearsanynoise,heg...
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