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掼蛋（Guandan）是中国最受欢迎的扑克游戏，拥有超过14亿局的年游戏量。这篇指南带你从零开始，5分钟掌握基本规则、牌型大小、和最重要的策略思维。

Your mic stopped working right before an important call? Don't panic. This step-by-step guide covers the most common microphone issues on Windows, Mac, Chrome, and mobile — with fixes that actually work.

Parquet files are everywhere in modern data pipelines, but what exactly are they? This guide explains columnar storage, compression, and why Parquet beats CSV for analytical workloads — without the jargon.