我们必须自由，不是因为我们宣称自由，而是因为我们实践自由。
We must be free not because we claim freedom, but because we practice it.
Sustainability isn't a choice anymore—it's a responsibility we owe to future generations.
科学的真正回报是理解新事物的兴奋感。
乳制品行业必须适应消费者偏好的变化。