论其有余不足，则知贵贱。
释义：通过分析物品的过剩与短缺，就能判断其价值的高低。这句话揭示了市场供求关系对价格的影响。
I was asked to act when I couldn't act. I was asked to sing 'Funny Face' when I couldn't sing, and dance with Fred Astaire when I couldn't dance. Do things that you don't know you can't do.
We must balance economic growth with environmental responsibility - they are not mutually exclusive.
我们必须在经济增长和环境责任之间取得平衡——它们并不是相互排斥的。
农业技术不是趋势，而是未来。