‘One of the attractive things about this approach to time travel is that it avoids all the big paradoxes,’ Mr Weiler said.

“这个时间旅行的方法有吸引力的事情之一，是它避免了所有的大悖论。” 维勒说。

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'One of the attractive things about this approach to time travel is that it avoids all the big paradoxes,' Mr Weiler said.

“这个时间旅行的方法有吸引力的事情之一，是它避免了所有的大悖论。”维勒说。

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Mr. Kay could have pursued his juxtaposition of the paradoxes of happiness and profit a bit further, for they show a revealing difference.

WSJ: Book Review: Obliquity