她在黑夜款款而行，星光闪烁的天空郎朗无云，黑夜和白昼的所有美丽，都在她的身影和眼睛中汇聚。

Diversification is the only free lunch in finance.

The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

能源的未来在于平衡经济增长与环境管理。