"To be happy is to be able to become aware of oneself without fright."
学习不是一个被动的过程;它涉及知识的主动构建。
The leather industry must evolve to meet both environmental standards and consumer expectations without compromising quality.
The thing about fantasy is that it allows you to create a world that is completely different from our own, and yet, it can still reflect the truths of our world.