案例:一次,笔者到外省一所名牌小学听课,看见雄伟气派的教学楼栏板上,有一排用黑色亚克力铸成的标语:让教育为孩子的可持续发展奠基。亚克力是一种非常昂贵的装饰材料,价格按厘米计算。这则标语不短,且每个字足有1米见方,笔者暗暗敬佩这所名校的出手不凡。这时,跑过来两位中年 Case: Once, I went to a famous brand primary school in other provinces to attend lectures. When I saw the magnificent teaching building railing, there was a row of slogans cast in black acrylic: Let education lay the foundation for the children’s sustainable development. Acrylic is a very expensive decorative materials, the price in centimeters. This slogan is not short, and each word full 1 meter square, I secretly admire this famous school shot extraordinary. At this time, ran two middle-aged