我想唯有自由人才能感受到这种兴奋,一个自由人步上漫长的旅程,奔向不确定的未来。
I think the only free man can feel this kind of excitement, a free man step on a long journey, towards the uncertain future.
可持续性不是一种选择——它是我们星球未来的必需品。
Power is not just about what you can do, but what you can make others do.
The development of attention in childhood is a foundation for self-regulation and academic achievement.
计算机是一种表达媒介,就像钢琴是一种表达媒介一样。