Nonserviceable
a. 不能使用的\\nv. 在故障状态, 失修状态, 不适用
🗣️ 情景例句
and you won't get so many colds anymore.
你就不会老患感冒了。
Please be on time.
请准时到。
In this way self-confidence grows, first from mastering a subject, then from being able to take about it.
这样，你自信心不断增强，先是因为掌握一门学问，接下来是因为能够就此发表见解。