从地理上来说，伦敦的金融业早已拓展到了城市的行政边界之外了，这部分要归功于节节攀升的房租。

Geographically, London's financial sector has expanded well beyond the City, partly in response to vertiginous office rents.

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县行政区也有许多边界延伸。

The county boroughs also had many boundary extensions.

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虽然开罗行政区的重复导致管理混乱，没有人能确切知道这没有边界的首都人口具体数字，但是这一数字大约和开罗人口数量相当。

That may equal the population of Cairo, though because of a muddle of overlapping administrative districts no one is really sure how many people the sprawling capital packs in.

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