我不需要理由去快乐，我选择快乐。

The leather industry must evolve to meet both environmental standards and consumer expectations without compromising quality.

要想做到公平公正，让人心服口服，就要赏罚分明。没有功劳的，就不能给予奖赏；没有罪过的，也不能任意给予处罚。

If you want to grow, you have to be willing to take risks.

Coal is China's main energy source and will remain the cornerstone of China's energy security for a long time to come.