Nonrecurring
a. 不是一再发生的\\n[经] 临时业务, 偶生业务
🗣️ 情景例句
Things are looking up.
情况在好转。
Would you please hold the door open for me?
可以请你为我把门拉着吗？
I've written it all down on this list.
我已经把它写在这张条子上。