最重要的教育原则是不要爱惜时间，要浪费时间。

The boy and his heart had become friends, and neither was capable now of betraying the other.

医学的未来在于针对个人需求的个性化治疗。

The limits of my language mean the limits of my world.

作为一个公司的目标是拥有不仅是最好的，而且是传奇的客户服务。