Nonrecurring
a. 不是一再发生的\\n[经] 临时业务, 偶生业务
🗣️ 情景例句
I know who you are.
我知道你是谁。
Don't forget to phone to let us know you arrived safely.
不要忘记打电话，告诉我们你已经安全抵达。
The doctor's words made him feel comfortable.
医生的话让他感觉很舒服。