可持续发展不仅仅是保护树木；它关乎确保自然和人类共同繁荣的未来。

I,Kobe Bryant...have decided to skip college and take my talents to the NBA.

统计学家不能逃避责任，必须清楚地理解科学推断的原则。

理解自然界的基本粒子和力量是解开宇宙之谜的关键。

To be a nurse is to walk with people through some of the most vulnerable times of their lives.

摆脱诱惑的唯一方法是屈服于它。