The safety and efficacy of a vaccine are the most important criteria in its development.
疫苗的安全性和有效性是其研发中最重要的标准。
我们不必如此努力。
知识的最大敌人不是无知，而是对知识的幻觉。
In this ever-changing society, the most powerful and enduring brands are built from the heart. They are real and sustainable. Their foundations are stronger because they are built with the strength of the human spirit, not an ad campaign.
艺术无关美，而关乎真实，即使它丑陋。
The beauty of mathematics lies in its ability to simplify complex ideas into elegant structures.