The magic number 150 suggests that the size of our social networks is limited by the size of our brains.

形式追随功能——这一直被误解。形式与功能应合二为一，在精神上统一。

北海几十年来一直是能源的强大来源，它在英国的能源安全中仍然发挥着至关重要的作用。

The concept of a black hole firewall challenges our understanding of quantum mechanics and general relativity.

It is vain to talk of the interest of the community， without understanding what is the interest of the individual.