1. Discuss the reasons why individuals might opt for public transport, such as cost-effectiveness, environmental concerns, convenience, or lack of alternatives. 2. You can also mention personal or observed experiences that highlight these reasons.

1. 討論個人可能選擇公共交通的原因，如成本效益、環境考量、便利性或缺乏其他選擇。 2. 你也可以提到個人或觀察到的經驗，突顯這些原因。