—— 请按键盘 空白键 开始游戏 ——

"The immune system is like a double-edged sword; it can fight cancer but also needs to be controlled."
免疫系统就像一把双刃剑;它可以对抗癌症,但也需要被控制。
Sustainability isn't a choice anymore - it's a responsibility we all share in this industry.