"A story is not like a road to follow... it's more like a house. You go inside and stay there for a while."
优化是在给定约束条件下做出最佳决策的艺术。
幸福生活的关键不在于避免问题,而在于学会如何有效地处理它们。
I'm not trying to be cool, I'm just being me.