养成以货易货的习惯会帮你省很多钱。
Get into the habit of offering to barter, and you'll find yourself saving a lot of money.
一些国家不得不采取以货易货的方法以得到外国货物。
Some countries had to resort to barter to obtain foreign goods.
种植奎奴亚藜的玻利维亚土著人是玻利维亚最贫穷的人，有许多人直到20世纪晚期还靠以货易货生存。
The indigenous Bolivians who cultivate quinoa are among Bolivia's poorest and many lived until the late 20th century by barter.
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