—— 请按键盘 空白键 开始游戏 ——

疫苗的安全性和有效性是其研发中最重要的标准。
The only way to get rid of a temptation is to yield to it.
Always look at what you have left. Never look at what you have lost.
对认可的渴望,灵魂中的激情部分,是推动人类历史的力量。