I don't think you need to be sad to write a sad song.

"Every book is a journey, and every journey changes you."

市场足够有效，以至于大多数投资者在长期内不会超越市场。

A life without examination is not worth living.

Believe in yourself and all that you are.

Business success and environmental responsibility can and should go hand in hand.

Editing is not just about cutting and splicing; it's about finding the rhythm and the soul of the film.

南开校训，意为培养公正与能力兼备的人才，追求不断创新。