采矿效率不仅仅是速度；而是用更少的浪费做更多的事。

成功的关键在于不断学习和适应。

The purpose of advertising is to sell. The purpose of art is to express.

It is remarkable that a science which began with the consideration of games of chance should have become the most important object of human knowledge.

As a clean energy source, natural gas will play a significant role in China's energy structure adjustment.

Poetry is the echo of the invisible in the visible.

信贷市场的歧视让穷人支付更高的利息。