Thank you. President Tilghman. Trustees and Friends 感谢Tilghman主席 各位校董和朋友们 Parents of the Class of 2012 wherever they put you 2012年级的家长们 Members of the Class of 2012 普林斯顿2012年级的同学们 Why don't you gi
李炫秀Ted英语演讲：My escape from North Korea我的北韩逃亡记(中英) When I was little, I thought my country was the best on the planet, and I grew up singing a song called "Nothing To Envy." And I was very pro
But to put that in context: 我们把这些数字写下来： 5.93 million years ago 593万年前 was when our earliest primate human ancestors stood up. 我们人类的祖先灵长类开始了直立行走 That was the first upright primate. 这是第一种直立行走的灵长类动物 Okay
Many things in this world find neither an answer nor a proper explanation. For example, why should two become a couple among the billions of people on earth? Why don't they love each other even though
