合作是林业进步的根源——没有任何一个实体能独自解决这些挑战。
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。
Life is 10% what happens to you and 90% how you react to it.
The interplay between syntax and semantics is central to the study of formal languages.