—— 请按键盘 空白键 开始游戏 ——

Change is hardest in the beginning, messiest in the middle, and best at the end.
语言教学的本质在于思维能力的培养,而不仅仅是知识的积累。
采石业的创新不仅关乎新机械,更在于重新构想我们与土地及社区的互动方式。
Good means not merely not to do wrong, but rather not to desire to do wrong.