1.When answering this question, consider the reasons why people might talk loudly on public transport. Some people may not be aware of their volume, especially if they are engaged in an exciting or emotional conversation. Others might not realize how their voice carries in a confined space. 2.You can also discuss cultural differences, as norms regarding public behavior can vary widely. Additionally, some individuals might talk loudly due to hearing impairments or because they are using headphones and are unaware of their volume. It's also possible that some people are simply inconsiderate of others around them.

1. 回答這個問題時，請考慮人們在公共交通工具上大聲說話的原因。有些人可能沒有意識到自己的音量，特別是當他們正在進行一場激動或情緒化的對話時。另一些人可能不知道自己的聲音在封閉空間中會傳得很遠。 2. 你也可以討論文化差異，因為關於公共行為的規範可能有很大的不同。此外，有些人可能因聽力障礙或佩戴耳機而不知道自己聲音太大。也有可能有些人就是對周圍的人缺乏考慮。