在瞬息万变的全球市场中，适应性是最宝贵的特质。

林业的未来在于平衡经济增长与生态保护。

布莱克-斯科尔斯公式的美妙之处在于它仅依赖于一个不可观测的参数，即股票的波动率。

I'm not a creature of your government's creation. I'm not a creature of any government's creation. I answer to a higher power, and that higher power is music.

Music has taught me perseverance and never giving up.