意识的元素要通过实验分析来确定。

我们必须为下一代留下健康的水域。

The study of mathematics is a journey into the unknown, where each discovery opens the door to new mysteries.

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

写作的行为是一种乐观的行为。

如果你愿意，我们可以回到那个山洞。