能源的未来在于平衡传统资源和可再生发展。
The most radical art is often that which asks the simplest questions.
Mathematics is the language of the universe, and through it, we can unlock the secrets of existence.
数学是宇宙的语言，通过它，我们可以解开存在的秘密。
农时：指春耕、夏耘、秋收三个时令。与其等灾荒来了再想办法补救，不如早防备灾荒，而防备灾荒最好就是抓住农时。
一个人的灵魂在他们的故事中显露出来。
The novel is the one bright book of life.