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。
Financial opening should be advanced steadily, with cross-border risks prevented.
重要的不是想法，而是将想法变为现实。
光是上帝的画笔，每时每刻都在描绘世界。
非洲艺术家不是代表，而是个体的声音。