Persistence is key in mathematical research; many great results come from looking at the same problem from different angles over and over again.

The future of aquaculture lies in balancing productivity with environmental stewardship.

银行的核心竞争力在于信用和专业能力。

A first sign of the beginning of understanding is the wish to die.

体育必须是全人类和各社会阶层的共同遗产。