书面表达。 假定下面是你的一个美国朋友发给你的电子邮件，请写一段100~120词

问题：

书面表达。

假定下面是你的一个美国朋友发给你的电子邮件，请写一段100~120词的文字作为回复.。

I'm just back from a holiday in China. During my stay in Qinhuangdao, a coastal city in Hebei province, I often saw a slogan reading "One World, One Dream." I wonder why it appears here and there and I don't really quite understand it. Could you give me some idea?

注:秦皇岛是2008北京奥运会足球项目的主办城市之一。