Men and women differ in their reproductive strategies because they have faced different adaptive problems throughout evolutionary history.
在物理学中,真相很少是完全清晰的,在量子力学中尤其如此。
The dead are not silent. They are merely waiting to be heard.
释义:求学之人若不勤奋,必然是其志向不坚定。
"Every book is a door to another world, and every reader is a traveler."