Константин Лысяков (Редактор отдела «Россия»)
对违反治安管理的外国人，可以附加适用限期出境或者驱逐出境。
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银发经济：人口结构变迁下的十二万亿蓝海
Forgetting releaseLock() permanently breaks the stream. The locked property tells you that a stream is locked, but not why, by whom, or whether the lock is even still usable. Piping internally acquires locks, making streams unusable during pipe operations in ways that aren't obvious.