Bluebook
n. 蓝皮书（美国二手市场设备价格手册）
🗣️ 情景例句
when she was a child.
在她小时候。
The packing must be strong enough to withstand rough handing.
包装必须很坚固，能承受野蛮装卸。
What colour is it?
什么颜色的？