1.
uliar to a seminatural economy
半自然经济的物物交换
2.
Most trade was still done by barter.
大部分交易仍采用物物交换的方式。
3.
Gradually, the primary barter was replaced by the commodity exchange conducted by money.
最开始的物物交换逐渐被以货币为媒介的商品交换所取代。
4.
On these islands a system of barter is used
在这些岛上仍然实行着物物交换的制度。
5.
The Rural Barter of South Hebei Province--An Anthropological Research of Local Economy
冀南乡村的物物交换——地方经济的人类学研究
6.
interchange gifts [letters]
交换礼物 [信件]
7.
To make an exchange of one thing for another.
交换用一物与另一物进行交换
8.
(phr v)bargain sth away ;give sth away(esp sth valuable in exchange for sth less so)
牺牲某物（尤指以贵物交换贱物）
9.
and exchange gifts and greetings.
交换礼物，互致问候。
10.
gifts exchanged as a pledge of friendship
交换的象徵友谊的礼物.
11.
exchange present
互赠礼物，交换礼品
12.
Convention concerning the International Exchange of Publications
国际间交换出版物公约
13.
base-exchanging compounds
碱［阳离子］交换化合物
14.
Money is the commonest medium by which people can exchange goods.
钱是人们交换货物最常用的中介物。
15.
All goods and resources having value in terms of exchange or use.
财物有交换或使用价值的物品和资源
16.
Acquisition through the payment of money or its equivalent.
交换通过交付货币或其等价物而获得
17.
To trade goods or services without the exchange of money.
以物易物买卖商品或服务，但不以钱作为交换物
18.
Crossing over The exchange of material between homologous chromatids by the formation of chiasmata.
交换：同源染色单体之间形成交叉时遗传物质的交换现象。