A composite B-tree is still a sorted tree, but now entries are ordered first by severity, and then by timestamp within each severity value. This works great for this query shape: Postgres can jump directly to the portion of the tree matching severity
Do this immediately using your GitHub tools / gh CLI (you are already in the correct repo — no owner/repo needed):
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《激烈竞争》最独特的魅力在于其对亲密关系的细腻刻画——见证伊利亚与肖恩从露水情缘发展为生命羁绊的过程令人动容。若要体验极致的情感共鸣，没有什么比沉浸式阅读更合适，以下作品将深得剧迷青睐：