Some of you may enjoy doing crossword puzzles, and perhaps doing crossword puzzles a couple hours a day is enjoyable.

有人可能爱玩填字游戏，也许每天玩几小时的,填字游戏，依然让人兴致盎然。

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But imagine doing crossword puzzles every day for 10 years, 1,000 years, a million years, a billion years, a trillion years.

但想象往后每天做填字游戏，玩上十年，一千年以至永远。

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Eventually, presumably, so it seems to me, you'd end up saying, " "I'm really tired of crossword puzzles."

最后我想你会说，“我真得玩够填字游戏了“

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Well, crossword puzzles aren't a very deep subject, and we might wonder whether or not we would do better if we were engaged in something more mentally challenging than that.

填字游戏不算很深奥的东西，我们也不知道自己能否做得更好,如果我们去做,比填字游戏更富挑战性的事情。

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Sure, there'd be some new particular puzzle you hadn't seen before, but you'd sort of step up a level and say, "Although I haven't seen this particular one before, I've seen crossword puzzles before.

当然肯定有你没见过的特殊填字游戏，但你会退一步说，“虽然我没见过这个特殊的填字游戏，但我见识过填字游戏。

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