![Therewereoncetwobrotherswholivedonthe80thlevel.Oncoming...]( "Therewereoncetwobrotherswholivedonthe80thlevel.Oncoming...")
- 问题详情：Therewereoncetwobrotherswholivedonthe80thlevel.Oncominghomeoneday,theyrealizedthattheliftwasn’tworkingandthattheonlychoicewasthestairway.Bythetimetheyreachedthe20thfloor,theywerebreathingquicklyandtired,sotheydecidedtoabandontheirbagsandcome...
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