Barter system. Economical exchange between people. Trading goods
Schlüsselwörter
barter,
vector,
exchange,
transaction,
trade,
payment,
person,
deal,
giving,
people,
money,
commerce,
buy,
swap,
pay,
hand,
technology,
investment,
flat,
finance,
economy,
return,
commercial,
profit,
purchase,
sell,
interchange,
commodity,
bargain,
exchanging,
distribution,
good,
oil,
coal
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