—— 请按键盘 空白键 开始游戏 ——

In mathematics, the journey of discovery is as important as the destination.
充满激情可以提高25点智商。
In India, we have a saying: 'The rooster coop is full of chickens who don't realize they're in a cage.'
Innovation in mining technology isn't optional - it's essential for our survival and growth.
你送给我桃子,我就回报给你李子。意思是做人要知恩图报,不能忘恩负义。也比喻礼尚往来,相互赠送礼物。