Mdm
abbr. 工程数据管理（Master Data Management）；维修诊断手册（Maintenance Diagnostic Manual）
🗣️ 情景例句
I hope you're enjoying your stay here.
我希望你在这里过得愉快。
Not necessarily.
不见得。
Thanks to space satellites, the world itself is becoming a much smaller place and people from different countries now understand each other better.
由于有了宇宙卫星，世界在变得小多了，来自不同国家的人现在彼此更了解了。