That's why slow and unpredictable I/O is a problem on the UI thread.
上述情形说明了为什么UI线程上的缓慢和无法预期的I/O 会造成问题。
The problem for most people with incremental change is that it’s frustratingly slow.
对于大多数人来说，递增变化的缺陷在于，它慢的让人抓狂。
The problem is that labor market adjustment is too slow.
真正的问题在于劳动力市场的调整太慢。
Only problem is that it renders very SLOW!
唯一的问题就是渲染速度慢的惊人。
They react on this one problem very slow and very loath.
他们在这一问题上反应很慢，很不情愿。
Pump speed is generally slow down the problem.
水泵调速一般是减速问题。
Pump speed is generally slow down the problem.
水泵调速一般是减速问题。
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