Ftds
abbr. formal top-level design specification 形式化顶层设计规范
🗣️ 情景例句
I think it looks great, thank you.
我觉得它看起来不错， 谢谢！
Remember me to your mother-in-law please.
请替我问候你的岳母。
I'm afraid I can't remember.
恐怕我记不得了。