Sustainability isn't a trend—it's a responsibility we all share for future generations.
可持续性不是一种趋势,而是我们为后代共同承担的责任。
错误同真理的关系,就象睡梦同清醒的关系一样。一个人从错误中醒来,就会以新的力量走向真理。
The perfection of machinery is to produce the desired effect with the least possible friction and waste.