translation.en: And especially, it's interesting to see China and the United States during 200 years, because I have my oldest son now working for Google, after Google acquired this software.
translation.zh: 而且在这200年里去看看 美国和中国 是十分有趣的。 因为现在我的大儿子在谷歌工作， 当谷歌收购了这款软件后。