The world needs responsible miners who understand the value of both minerals and the planet.
谷物种植不仅是一门生意,更是对后代的责任。
The best time to plant a tree was twenty years ago. The second best time is now.
To read is to travel without moving; to write is to make others travel.
"你越是试图控制谎言,它就越控制你。"
And gladly would learn, and gladly teach.
解析:不要贪天之功,不要掩人之善。