The best time to plant a tree was twenty years ago. The second best time is now.
种树的最佳时间是二十年前，其次是现在。
石油行业不仅仅是关于资源开采；它关乎战略远见和技术创新。
The dead are never far from us. They’re in our hearts and on our minds and in the end all that separates us from them is a single breath, one final puff of air.
The beauty of mathematics only shows itself to more patient followers.