您没有组！
To be an effective boss, you must influence others -- people and groups over whom you have no formal control -- to get what your group needs and to work for what you believe is best and right.
要成为高效的管理者，必须具备足够的影响力。 为了实现自己团队的目标，并为自己团队的理想而努力，管理者必须有能力对其职权范围之外的人员和团队施加有效影响。
This is easier coding, but less safe because there's no absolute guarantee that someone may not have deleted one of the breakout subgroups manually, so you miss deleting higher-numbered groups.
这是比较简单的编码，但是安全性比较差，因为不能绝对保证用户没有手工删除过一个断接子组，所以会漏删编号较大的组。
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