- 問題詳情:TheGoldenGateBridgeinSanFrancisco,Californiaisoneoftheworld'smostbeautifulbridges.Itisalsooneofthemostvisitedplacesintheworld.Vehicles(車輛)crossthebridgeanaverageof41milliontimeseachyear.Morethan1800hundredmillionvehicleshaveusedthebridgesin...
- 19829