Immigration can have positive effects on innovation and productivity.
Literature is the most powerful form of empathy.
企業(yè)的核心競爭力在于其獨(dú)特的資源和能力。
Genetic research should serve humanity, not just commercial interests.
The story of chemistry is the story of humanity’s quest to understand the world.
Every tree planted today is a promise to tomorrow.
在探索宇宙的過程中，每一個(gè)被解答的問題都會引出更多的問題。
主要的義務(wù)規(guī)則是那些要求或禁止某些行為的規(guī)則。