The choices women make in their careers are often constrained by societal expectations and institutional barriers.

世界上没有比笑声、幽默感更具有感染力。

语言是存在的家。

规模和价值效应在不同市场和时间段普遍存在，但其幅度可能有显著差异。

过去是一个异国；他们在那里做事的方式不同。

Courage is resistance to fear, mastery of fear - not absence of fear.

The Internet is a global resource that should be managed for the public good.

科学的进步不仅依赖于事实的积累，还依赖于知识的组织。