Open your eyes, look within. Are you satisfied with the life you're living?
森林是我们星球的肺;我们必须给予它们应有的尊重。
故事是作者写给自己的一封信,但允许他人阅读。
All the effects of nature are only the mathematical consequences of a small number of immutable laws.
我喜欢逗人笑,尤其是孩子们。
The bond market is the ultimate measure of confidence.