—— 请按键盘 空白键 开始游戏 ——

Every lock has a key, every problem has a solution.
每把锁都有钥匙,每个问题都有解决方案。
The task of the teacher is to lead the student from the known to the unknown.
我们必须在能源需求和保护地球之间取得平衡。
学习是避免陷入人生困境的唯一途径。
Transparency and accountability must be at the core of every energy company's operations.