They have also noticed that the transport system runs much more smoothly with half the city's cars off the roads.
他们还注意到交通系统在城市汽车的一半从公路上下来后变得更顺畅了。
They have also noticed that snakes come out of the ground to freeze to death and that dogs bark a lot, even normally quiet dogs.
他们还注意到，蛇会爬出地穴而冻死，狗会狂吠不已，甚至那些平常很安静的狗也会叫个不停。
They also noticed that he now had a sort of modest expression on his, face - the sort of look people have when you are visiting a garden they've made or reading a story they've written.
他们也注意到，它的脸上露出一种特别谦虚的表情，就像你去参观人家的一个园地或阅读人家写的一本书时，你所看到的园丁或作者本人常有的那种表情一样。 苏珊说：“这条水坝筑的多好啊！”
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