历史是让死者开口说话的艺术。

The mining industry has the power to transform communities, but only if we do it responsibly.

Adaptability is the key to survival in a fast-changing market.

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.