I realized that many of them were hard to answer, and perhaps others could not be answered at all.
我意识到有许多问题很难回答，也许还有一些根本无法回答。
Though this is a correct question, it is very hard to answer -it's going to take me eleven long pages.
即使这是一个正确的问题，但是难以回答——那需要11页长的文章才能说清楚。
It's a bit hard to answer, since things like survey data on procrastination didn't really exist until the past few decades.
这回答起来有点困难，因为直到几十年前关于拖延症的调查数据才开始存在。
It's a bit hard to answer, since things like survey data on procrastination didn't really exist until the past few decades.
这回答起来有点困难，因为直到几十年前关于拖延症的调查数据才开始存在。
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