The growth of knowledge is the key to solving problems.
知识的增长是解决问题的关键。
The key to success is to focus on goals, not obstacles.
每一本书都是一段旅程,而每一段旅程都会让你有所改变。
I'm a great believer in low-budget films.
一个命题的证明是一种性质使得我们相信该命题的过程。