Commercial efficiencv
[电] 商用效率
🧩 词语组成解析
🗣️ 情景例句
How can I reach you?
我怎样才能联系到你呢？
Don't mention it. I hope you can come again soon.
不用谢，希望你不久能再来。
It will be a mixed school where not all the children are disabled.
它是一所混合式学校，学校里的儿童并不都是残疾人。