The challenge of our time is to create a sustainable energy future.

"Success is not final, failure is not fatal: It is the courage to continue that counts."

这就是所谓的适应习惯，安于风俗啊。 

及时采拮你的花蕾，旧时光一去不回。今天尚在微笑的花朵，明日便在风中枯萎。