数学不知道种族或地理界限;对于数学来说,文化世界是一个国家。
Only two things in this world so that our souls are deeply shocked First, our brilliant stars overhead, First, our hearts lofty moral laws.
我为报纸致哀,我为新闻站台。
I don't care what you say about me as long as it's not true.
能源转型不是威胁——它是终极机遇。