A great film is one that leaves the audience with more questions than answers.
The discovery of gravitational waves has opened a new window to the universe.
艺术没有国界,但艺术家有祖国。
在观察性研究中,我们常常不得不依赖于无法直接检验的假设。
大脑越大,它能管理的社会世界就越复杂。