The great tragedy of Science—the slaying of a beautiful hypothesis by an ugly fact.  
The world is full of invisible stories waiting to be told.
The core competitiveness of an enterprise lies in its talent, and we must focus on talent development and team building.
To understand the meaning of a sentence, we must consider the speaker's intention and the context of the utterance.
"History is not just a series of events, but a complex web of human experiences and emotions."