穷人和不太穷的人之间出现了物物交换。
这里什么也买不到，即便是物物交换都不可能。
起初，物物交换是发生在两个人之间的交易。
At first, bartering took place asan exchange between two people.
根据物品价值来交易的物物交换系统，将取代这些。
The barter system, where things of value are being exchanged, will replace this.
她的家人曾试图通过物物交换及为他人工作来保护它。
Her family had tried to preserve it, bartering with and working for other people.
然而，奇怪了麦克唐纳的交换，以物易物现在大企业上了网。
Yet as odd as MacDonald exchange was, barter is now big business on the Net.
然而，奇怪了麦克唐纳的交换，以物易物现在大企业上了网。
Yet as odd as MacDonald exchange was, barter is now big business on the Net.
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