—— 请按键盘 空白键 开始游戏 ——

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。
这就是我的态度
La plus cruelle de toutes les passions est l'amour.
The greatest thing you'll ever learn is just to love and be loved in return.
"We are all apprentices in a craft where no one ever becomes a master."