Maintenance strategy
[计] 维护策略
🧩 词语组成解析
🗣️ 情景例句
This.
这个。
You have to be there half an hour before departure time.
你要在起飞前半小时到那里。
but children were then too cowed to let them know how they really felt.
孩子们只不过被吓得不敢让父母知道自己的想法罢了。