From July 1, 1997, 18 Provisional District Boards, with members appointed by the Chief Executive, replaced the former District Boards.是什么意思_From July 1, 1997, 18 Provisional District Boards, with members appointed by the Chief Executive, replaced the former District Boards.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句