Tradable
a. 可贸易的, 可买卖的
✅ 同义词
🗣️ 情景例句
Robbie! Who is it? Robbie
是谁呀？
Knowledge advances by steps and not by leaps.
知识只能循序渐进，不能跃进。
However, it was his turn to be surprised,
没料到这回该轮到他自己吃惊了。