For many years, this question has been controversial.
长期以来，这个问题一直颇具争议。
Nobody will believe how difficult this question has been.
没有人会相信这个问题是那么困难。
This question has been asked a lot during the almost 10 years since the introduction of HotSwap.
自从引入了HotSwap之后，在最近的10年，这一问题已经被问了非常多次。
This question has been haunting the web application security field for quite some time and rest assured that no one will ever give you a definite answer.
这个问题总是在web应用安全领域被提出，也总是没有人能给出一个确切的答案。
This question has been satisfactorily solved.
这一问题已经得到满意的解决。
This question has been much talked about recently.
这个问题最近被谈论得很多。
This question has been much talked about recently.
这个问题最近谈论得很多。
This question has been asked before, and the answer remains he same.
这问题以前已被问过，而答案仍然相同。
How has natural selection determined the evolution of gene regulation by acting on major regulatory factors? This question has been attractive to many evolutionary biologists for a long time.
自然选择如何通过作用于重要调节因子而决定基因调节的进化方式，一直是进化生物学家感兴趣的话题。
How has natural selection determined the evolution of gene regulation by acting on major regulatory factors? This question has been attractive to many evolutionary biologists for a long time.
自然选择如何通过作用于重要调节因子而决定基因调节的进化方式，一直是进化生物学家感兴趣的话题。
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