- 問題詳情:Getreadytodropdownandgive30squats(深蹲)ifyouwanttoridetheMoscow subway.Inanefforttopromoteoverallphysicalfitnessofcitizens,Moscowcityofficialsareallowingsubwayriderstopay30squatsinsteadof30 rubles (about92cents)foratriponthetrain.Ridersper...
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