—— 请按键盘 空白键 开始游戏 ——

数学的美只向更有耐心的追随者展示。
The beauty of mathematics only shows itself to more patient followers.
让孩子留在家里最好的方法是让家庭氛围愉快——并且把轮胎的气放掉。
跨国合作对解决全球粮食安全挑战至关重要。
The only thing that you absolutely have to know is the location of the library.
Life is full of uncertainties, and that is what makes it interesting.