当混凝土捕捉到光线时，它可以像木头一样温暖。
Concrete can be as warm as wood when it captures light.
The future of mining lies in digital transformation and intelligent development.
Courtesy costs nothing. Lower the toilet seat after use. Let the people in the elevator exit before you enter. Return shopping carts to their designated areas. When you borrow something， return it better shape (filled up， cleaned) than when you got it.
An understanding of the natural world and what's in it is a source of not only a great curiosity but great fulfillment.
翻译：各种事情根据类别而聚集，万物根据类别而分为不同的群体。