乳制品行业的成功不仅仅是生产牛奶,而是在供应链的每一步创造价值。
国家本质上是具有侵略性和扩张性的。
The deepest insights in mathematics often come from the most abstract theories.
The process of writing can be magical. Mostly, you'll be staring at the computer screen trying not to distract yourself with the internet. But sometimes, if you're lucky, inspiration will come.