A：Have you ever noticed that serious pollution in modern cities goes from bad to worse?

你注意到了吗?现代都市的污染越来越严重了。

B：You said it. We’er breathing poisonous air every day.

你说得对啊。我们每天呼吸的都是有毒的空气。

A：I think it’s time for the government to take strong action. And people should try to protect environment.

我认为政府应该采取强硬的措施了，人们也应该保护我们环境了。

B：I absolutely agree with you.

我完全同意你的意见。