Must be a number less than or equal to 2.
當天恰逢中文大學研究院的畢業典禮，預計參與畢業禮嘉賓眾多且停車位有限，建議參加者盡量選擇公共交通工具前往中大。
Due to the graduation ceremony of the Chinese University of Hong Kong taking place on the same day, it is expected that many guests will attend and parking spaces will be limited. Participants are advised to use public transportation to travel to the university.