键/值对（city:）是竖直维度的头部标题。

The key/value pairs (city:) are the header titles of the vertical dimension.

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这是第一部标题中没有“蝙蝠侠”三个字的蝙蝠侠电影。

This is the first Batman film to not have "Batman" in the title.

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文章以舒曼早期四部标题钢琴组曲为分析对象，对其创作手法中的“聚合原则”行了重点阐述。

The papers focus on the principle of aggregation in Schumann's four earlier program piano suites.

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