Unlike other natural resources (such as oil), water cannot be used up.
不像其他自然资源(比如石油),水并非不可再利用。
Using their certificates, they can take means of consumption which used up the same amount of labor; this is not money because it cannot be accumulated.
用这份证书,他们可以领取与他所耗费劳动量相当的消费资料;但这证书并不是货币,因为它不能用以积累。
In other cases, goods are "indivisible" and cannot be chopped up into small parts to be used in direct exchange.
在其他情况下,商品可能会无法分割,无法被切成一个个小部分用于直接交换。
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