Despitebeingusedby1.34billionpeopleeachyear,travelingon...
问题详情：Despitebeingusedby1.34billionpeopleeachyear,travelingontheTubeinLondoncanactuallybequitelonely.Onecitizen,however,istryingtochangethis.“YougetontheTubeandit’scompletelysilentandit’sweird(怪...