* @param {number[]} nums - 待查找最短无序连续子数组的整数数组
统筹建立常态化防止返贫致贫机制
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Communicating on group chats has quickly become a way of life, but what are the rules?
In 1986, the Challenger spacecraft suffered a catastrophic failure seconds after launching, killing all seven crew members on board.
The broadcast generated global headlines and much commentary on what happened and and how it could have been prevented.