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Keep an optimistic attitude and turn every ray of sunshine into motivation.Altruism is an advanced self-interest.Zhuangzi and Keiko, Ichiro Honda and Takeo Fujisawa, Jobs and Cook.

Users don't care about products,And care about what kind of value and honor your product can bring him.

Altruism is an advanced self-interest.Understand the importance of goals and point every effort to the distance;