A：My eyes water continuously. Why?
我的眼睛总流泪。怎么回事呀？
B：Perhaps because of the dirty air.
可能是污浊的空气的原因。
A：What is there in the air?
空气里有什么？
B：Some poisonous gas.
某种有毒的气体。
A：I can't believe that the air in this city is so dirty.
我简直不敢相信这个城市的空气那么脏。
B：Yes. I think I won't come here again next time.
是啊。我想我下次再也不会到这个城市来了。
A：So do I.
我也是。
B：We waste a vacation.
我们浪费了一个假期。
A：Maybe you are right.
也许你说对了。
