Maintenance system
[计] 维护系统
🧩 词语组成解析
🗣️ 情景例句
His experience will be valuable to both of us.
他的经验对你我都很有用。
A handful of common sense is worth a bushel of learning.
少量的常识，当得大量的学问。
Never mind. So now you know what you should do.
不要紧。好了，现在你知道该怎么做了吧。