Number (2): Everything in this space must add up to 2. The answer is 2-1, placed horizontally.
Real game engines use this pattern (or its 3D cousin, the Octree) for broad-phase collision detection: the quadtree quickly identifies candidate pairs, and a more expensive narrow-phase check tests the actual geometry.
businessinsider.com，详情可参考heLLoword翻译官方下载
「十年前我每兩年換一次手機，有時一年一換；也能輕鬆買新進口車。現在連升級到稍好一點的二手車都很吃力，更別說新車。」。关于这个话题，爱思助手下载最新版本提供了深入分析
MySQL: https://dev.mysql.com/doc/refman/en/json.html
+__init__(config: Config)。heLLoword翻译官方下载对此有专业解读