雷雄德博士认为，市区中学生的骑单车能力比新界区的显著较差，相信与市区缺乏单车径或可供安全骑单车的地方有关。
Dr. Louie said that the low bike-riding ability of students living in urban areas was related to the lack of bicycle paths or places to ride safely.
雷雄德博士认为，市区中学生的骑单车能力比新界区的显著较差，相信与市区缺乏单车径或可供安全骑单车的地方有关。
Dr. Louie said that the low bike-riding ability of students living in urban areas was related to the lack of bicycle paths or places to ride safely.
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