这正是iPad和类似设备无法满足的需求。
That's one need the iPad and similar devices won't be able to fill.
同时,印度和中国对石油的需求也是无法满足的。
Meanwhile, demand for oil in China and India has become unquenchable.
看看是不是还能提出框架无法满足的其他独特问题。
See if you can come up with another unique problem that the frameworks won't like.
So that's a big help. And equilibrium happens when there isn't any possible change of state that would satisfy this.
这个非常方便,当所有的变化,都无法满足这个公式的时候,系统就达到了平衡。
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