那时我老得多，现在我比那时年轻。
I was so much older then, I'm younger than that now.
中国矿业要走向世界，必须提升国际竞争力。
沙漠不仅仅是一个地方；它是人类孤独的广阔隐喻。
最好的故事是那些让你以新的方式看世界的故事。
Products should be like water, adapting to the needs of different users.
The joy of mathematics comes from the moments of clarity when complex things become simple.
Corn is a necessary, silver is only a superfluity.