You will also gain insight into the number of pages printed by using this approach instead of native drivers.
通过使用这种方法而非本机驱动程序，您还可以了解已打印的页数。
The drivers use a native client library specific to the data source to which they connect.
这些驱动程序使用特定于所连接数据源的本机客户机库。
Drivers of this type are generally dependent on a native library, which limits their portability.
这类驱动程序通常依赖本机库，这限制了其可移植性。
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