Traded
v. 交易；贸易（trade的过去分词形式）
🗣️ 情景例句
Now, we always use different packing for different goods.
我们一向是不同的货物用不同的包装。
Have you taken a plane?
你坐过飞机吗？
Its origin is still a mystery now.
它的起源至今仍是个谜。