Couponing
票券兑换\\n票证分配
🗣️ 情景例句
Please tell me about your working background.
请告诉我你的工作背景。
Who is the auther of this biography?
谁是这篇传记的作者？
They will hardly know which facts to select from the great mass of evidence that steadily accumulates.
对于逐渐积累起来的庞大材料，他们几乎不知道选取哪些好，