我们的教学方法只有一个,就是必须维持孩子们的高度兴趣和强烈持续的注意力。
如果你对每隻向你吠的狗,都停下来扔石头,你永远到不了目的地。
The future of the Internet depends on our ability to adapt and evolve.
The city is an addictive machine from which there is no escape.