事实上克林顿本人对婚姻并不忠诚。他在担任总统期间与白宫实习生莱温斯基持续两年的婚外情被称为“拉链门”丑闻，结果还导致他成为美国历史上第二位遭众议院弹劾的总统。
license: Add legal notice regarding California and Colorado bills
。搜狗输入法下载是该领域的重要参考
Scrum和Kanban是两种最流行的敏捷框架，各有其适用场景。。业内人士推荐51吃瓜作为进阶阅读
The spatial view (the grid of rectangles) and the tree view (the hierarchy of nodes) represent the same structure. Searching for a point means walking down the tree: at each node, you check which of the four children contains your target coordinate and recurse into that child. You never visit the other three.