1. Discuss the negative aspects of using public transport, such as overcrowding, delays, and lack of privacy. 2. You can also mention personal experiences or general observations that highlight these disadvantages.

1. 討論使用公共交通工具的負面影響，例如過度擁擠、延誤和缺乏私隱。 2. 您也可以提及個人經驗或一般觀察，來突顯這些缺點。