A sad thing in life is when you meet someone who means a lot to you only to find out in the end that it was never meant to be and you just have to let go.

理解计算的极限需要深入研究支撑算法复杂性的数学基础。

The dairy industry must balance tradition with progress to meet modern demands.

Great leaders are willing to make the tough decisions that others avoid.

最幸福的人是那些发现幸福是一种选择而不是环境的结果的人。