该视图可以帮助解决锁争用问题以及性能问题。
This view can help with the resolution of lock contention problems and performance issues.
这种操作耦合意味着解决方案组件可能会争用有限的资源。
This operational coupling implies that solution components could compete for limited resources.
这样做虽然解决了数据争用问题，但是在并发性方面付出了更多的代价，因为在迭代期间锁住整个list会阻塞其他线程，使它们在很长一段时间内不能访问这个列表。
This addresses the data race, but has further costs for concurrency, since locking the entire list while iterating could block other threads from accessing the list for a long time.
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