—— 请按键盘 空白键 开始游戏 ——

What is love except another name for the use of positive reinforcement? Or vice versa.
The world is a fine place and worth fighting for.
流放不仅仅是一个地理概念;你可以在自己的国家、自己的家庭、自己的皮肤里成为流放者。
The only fence against the world is a thorough knowledge of it.
Sustainability isn’t just a buzzword—it’s a responsibility we owe to future generations.
The dairy industry must adapt to changing consumer preferences.