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。
They must be initiated by some explicit user interaction (normally, by clicking an action link in a portlet), and they cannot be used to set up a coordinated view when first jumping to a page.
它们必须由某个显式的用户交互（通常是通过单击Portlet中的某个操作链接）发起，并且不能在第一次跳转到某个页面时将它们用于设置协作视图。
Under rules drawn up by the UK's Civil Aviation Authority, electronic devices cannot be used during taxi, takeoff and landing on all fights entering or leaving British airspace.
根据英国民航管理局的规定，在飞机起飞和降落时均不可以使用电子设备。
However abundant certain natural resources may be, they cannot reproduce themselves and are bound to be used up ultimately.
不管某些自然资源多么丰富，它们不会再生，终究要被使用完的。
However abundant certain natural resources may be, they cannot reproduce themselves and are bound to be used up ultimately.
不管某些自然资源多么丰富，它们不会再生，终究要被使用完的。
应用推荐