Real friends are hard to find.

世界的救赎在于人类的苦难中。

可信因果推断的关键不仅是方法，还有方法与当前问题的契合度。

Data is the lifeblood of any organization. Without it, decisions are made based on intuition rather than evidence.

One is the happiest thing is that somebody loves you.When you are at my time， I absent-minded，When I come to you， when you have gone.We are always in a meeting to miss， losing a lot of.However， I want to say this is because we are still young.No， perhaps this is our life.From then on， I always looked back the road.

世界是由文字构成的，而这些文字如此强大，可以创造世界。