很多设备，如移动电话，只需要xhtml的一个子集，因为模块能自动过滤xhtml，只给出设备所需要的东西。

Many devices, such as cell phones, would need only a subset of XHTML because modules would automatically filter the XHTML to include only what the device needs.

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虽然纽约市认为这一过程会比现行的体系更好，但是它表示，还要向移动数据市场学习很多东西，包括此次计划的可行性。

While the city assumes the process will be better than the current setup, it says it has much to learn about the mobile technology market and whether its adoption would be viable.

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