Security system
[计] 安全系统
🧩 词语组成解析
🗣️ 情景例句
Christmas is coming up. Zhao Ming, let me ask you a question.
圣诞节快到了，赵明，我问你个问题。
Do not to others what you do not wish them to do to you.
己所不欲，勿施于人。
and of offering to the tenants offices and apartments that please them.
和向租房人提供使他满意的办公室和住房。