Usually, figure usage need not to be defined.
比喻用法一般是不必定义的。
If you really need more usage time, buy an extended-capacity battery and use it normally.
如果你确实需要更长的使用时间，去买一块超容量的电池并正常使用吧。
Otherwise, you need draw only what's changed since its last usage.
否则，您只需绘制最后一次使用后发生的更改的项。
But need careful, is the basic usage, both have certain respectively.
但需要留意一点，就是基本用法上，两者是有一定的分别。
Or you need to gather data about demographics, usage and other general marketing research.
或者你需要收集有关人口，使用和其他一般的市场研究数据。
Or you need to gather data about demographics, usage and other general marketing research.
或者你需要收集有关人口，使用和其他一般的市场研究数据。
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