她是我最好的朋友,我唯一的朋友。
She was my most special friend. My only friend.
我们必须为下一代留下健康的水域。
Experience is a good school, but the fees are high.
不要让那些混蛋把你磨垮。
The coal industry must evolve or risk becoming obsolete. Adaptation is the key to survival.