数学中的每个问题都是一个等待解决的谜题,而乐趣就在于解决的过程。
"Capitalism is the best system ever invented to lift people out of poverty."
决策是行政的核心,而决策的核心是艺术而非科学。
I'm a human being and I fall in love and sometimes I don't have control of every situation.