Scratchback
n. 不求人(搔背用的扒子)
🗣️ 情景例句
But you may rest assured that the payment is guaranteed.
但是你尽可以放心，我们的付款是有保障的。
He is speaking on another phone.
他正在接听别的电话。
He has completed the task.
他完成了这个任务。