你的空间无法扩展是因为我。

钢铁的未来在于其适应低碳经济的能力。

幸福就是珍惜那些自己觉得幸福的瞬间。

Concerning the gods, I cannot know either that they exist or that they do not exist, nor what form they might have, for there is much to prevent one's knowing: the obscurity of the subject and the shortness of man's life.

真相常常隐藏在阴影中，等待足够勇敢的人去揭露它。