解释：大部分茶都是寒性的，而绿茶却是温性的，体现了茶性质的差异。

To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things, every single day.

Every book is a journey, and every journey is a book.

煤炭的未来不仅仅是开采，而是我们如何负责任地将其融入不断变化的能源格局。

你最不满意的客户是你最好的学习来源。

Innovation in manufacturing is key to staying competitive in a global market.

"To write is to explore the unknown territories of the human soul."

The Langlands program is a testament to the power of abstract thought in mathematics.