—— 请按键盘 空白键 开始游戏 ——

每个伟大的管弦乐队都是社会的镜子,既反映其美德也反映其缺陷。
Every great orchestra is a mirror of its society, reflecting both its virtues and its flaws.
强调历史研究既要理解历史背景,又要保持学术批判性。
The energy industry is not just about producing energy; it's about enabling human progress and improving lives.