此外，诊所还采用了易货体系。

Also, the clinic USES a barter system.

同年，中朝正式签署了易货合同。

A barter contract between China and the DPRK was officially signed the same year.

好吧，让我们先协定一个易货贸易协定，规定一些一般性条款。渊。

Well, let's first negotiate a barter trade agreement, stipulating some general terms and conditions.

或者他们可以和邻居做些易货交易，用粮食换兽皮或羊毛。

Or they might trade with a neighbor, giving him grain in exchange for animal hides or sheep's wool.

在当地军阀保护下，商品重新出现在市场上，不过，买卖采取易货交易或是用金、银、铜币交易。

Goods reappeared in markets under the protection of local warlords. Transactions were conducted in barter and in gold, silver, and copper COINS.