City car-free day, the smart district of the eastern section of the Tung Wah Group of the implementation of the Road Traffic Control to prohibit motor vehicles from entering.是什么意思_City car-free day, the smart district of the eastern section of the Tung Wah Group of the implementation of the Road Traffic Control to prohibit motor vehicles from entering.在線翻譯_英語_讀音_用法_例句