The history of all hitherto existing society is the history of class struggles.
一切迄今为止社会的历史都是阶级斗争的历史。
Overseas projects should adopt localized operation with international standards.
Learning is not a matter of trial and error, but of insight.
生活就是当你忙于制定其他计划时发生的事情。
Follow your heart and do what you love.