朗兰兹纲领是对我们理解数学真理本质的挑战。
The Langlands program is a challenge to our understanding of the nature of mathematical truth.
The greatest of evils and the worst of crimes is poverty.
The past is never dead. It's not even past.
I think the best way to get over someone is to get under someone else.
Algebraic geometry is the study of zeros of polynomials.
情感是心理元素的化合反应。