Operation system
[计] 业务系统; 运行系统
🧩 词语组成解析
🗣️ 情景例句
A son and his wife and their three children--my grandchildren.
有个儿子， 还有儿媳妇以及他们的三个孩子，我的孙儿女们。
It is more pain to do nothing than something.
什么都不做要比做一点更不好受。
Yes, it is.
我正是。