Undermaintenance
(设备)维护修理欠佳, 维修质量低
🗣️ 情景例句
We would adopt payment by instalments for our present practice,
这次交易我们将采取分期付款方式，
In secondary school, children get more advanced knowledge.
在中学，孩子们得到更高深的知识。
No problem!
没问题！