Mantech
abbr. Army Manufacturing Technology Program <美国>陆军制造技术计划; Manufacturing Technology 制造工艺（美国海军）
🗣️ 情景例句
But personally I believe a business letter should end with Very truly yours, not Sincerely.
还行，乔治。但是我个人相信一封商业信函应该以“敬上”结尾，而不是“谨启”。
I presume that this is your final answer.
我认为这就是你最后的答复。
What's in it?
里面是什么东西？