VERB
以物易物；交换（货物）
If you barter goods, you exchange them for other goods, rather than selling them for money.
例句
They have been bartering wheat for cotton and timber...
他们一直用小麦交换棉花和木材。
The market-place and street were crowded with those who'd come to barter...
市场和街道上挤满了前来做物物交换的人。