量子力学中存在一些我们仍然无法理解的深刻奥秘。
There is something profoundly mysterious about quantum mechanics that we still don't understand.
The novel is the best instrument to explore human complexity.
解释：称赞人不夸大他好的地方，那么听的人心里不痛快；诽谤人不增加他的过错，那么听的人心里不满足。
Sustainability is not just about protecting the environment, it's about creating a system that works for everyone.
数学语言是普遍的，超越了文化和语言的障碍。