Nonrecurring
a. 不是一再发生的\\n[经] 临时业务, 偶生业务
🗣️ 情景例句
I will serve coffee and pumpkin pie.
我来准备咖啡和南瓜派。
Banking is such a boring business; I believe I'll take a short snooze.
警卫银行是桩枯燥的差事，且打个盹吧。
He led me into his room and hurriedly hid a large parcel under his desk.
他把我领进屋，慌忙把一个大包藏到了桌子下面。