This is the rush hour. 这是高峰期。

I notice there's a jam a few blocks away. 我注意到前方街口正塞车。

Traffic rules are different among countries.  不同的国家交通规则是不同的。

Traffic rules are different among countries.  不同的国家交通规则是不同的。

For example? 举个例子看看。

People drive on the right in China. 在中国人们是靠右侧行车的。

Oh, that's interesting. 哦，那真有意思。