数学是一门活生生的学科，随着新的思想和发现不断演变。

领导力是关于今天做出艰难的决定，这些决定将使未来的几代人受益。

Sustainability isn't just a buzzword; it's the foundation of responsible mining.

石油化工的未来在于高附加值、低碳产品。

Short-term gains in forestry often lead to long-term pains.

Innovation is the key to the continued growth and success of the Internet.