善可以存在于没有恶的情况下,而恶无法在没有善的情况下存在。
Good can exist without evil, whereas evil cannot exist without good.
能源转型不是短跑;这是一场需要耐心和坚持的马拉松。
The study of black holes has revolutionized our understanding of space and time.
艺术是自由的,它不应该被任何框架束缚。
There are two ways to write error-free programs; only the third one works.