计算机是一种表达媒介,就像小提琴或画笔一样。
The computer is a medium of expression, like a violin or a paintbrush.
The ladder of success is best climbed by stepping on the rungs of opportunity.
如果不给儿童提供帮助,如果忽视他的环境,那他的精神生命将会处于持续的危险之中。