The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used.

The market is a reflection of the economic cycle.

Every film is a journey, not just for the characters, but for the audience as well.

疼痛不仅仅是一种感觉；它是一种复杂的生物反应，告诉我们某些地方出了问题。