All the various problems they cause seem to alert us to the fact that no matter how convenient they may be for weaving in and out of traffic, motorcycles and motor scooters are nothing but troublemakers when it comes to the environment, at least at present.
機車帶來的各種問題，彷彿提醒我們，不論在惡劣的交通狀況中，它有多會「鑽」；在生活環境裡，它卻是個失敗者。