可持续发展不再是可选项;它是任何希望长期繁荣的企业的必需品。
The health of the soil determines the health of the people.
Men learn to love the woman they are attracted to. Women learn to become attracted to the man they fall in love with.
I’m just paying my rent every day in the tower of song.
Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.