The arithmetic of algebraic varieties is a testament to the power of abstract thought.
"The act of writing is an act of freedom."
燃气发动机是所有热机中最完美的,因为它结合了蒸汽机和内燃机的优点。
我们需要确保互联网保持开放,让每个人都能访问。
The most important thing is to enjoy your life—to be happy—it's all that matters.