—— 请按键盘 空白键 开始游戏 ——

可持续发展不是选择,而是煤炭行业的必然要求。
It is a curious subject of observation and inquiry, whether hatred and love be not the same thing at bottom.
无论削减成本的压力有多大,质量永远不应妥协。
Collaboration across industries is essential to solve the complex challenges of modern agriculture.