Defense information systems agency
un. 国防信息系统管理局\\n
🧩 词语组成解析
n. 体制, 体系；制度；系统（system的复数形式）
🗣️ 情景例句
You could call it a community unity plan.
你可以称它为社区团结计划。
Have but few friends though many acquaintances.
朋友要少，熟人要多。
We're ready to take your order now.
你们现在可以下订单了。