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。
In mathematics, the journey of discovery is as important as the destination.
The greatest rewards come from working on something that nobody has a name for. If you possibly can, work where there are no words for what you do.
"最好的摄影是那种你不会注意到的。"