明天不一定会更好，但是更好的明天一定会到来。

Tomorrow may not be better, but the better tomorrow will sure reach soon.

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译-如果你无法忘掉昨天，就不会有一个更好的明天。

You can "t have a better tomorrow if you don" t stop thinking about yesterday.

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小奥同学说：“我清楚，你们送我上华盛顿是因为你们坚信，我能给你们更好的明天。”

"I know you sent me to Washington because you believed in the promise of a better day," Mr. Obama said.

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But at one point he just says to her, "Me and you Sethe, we got too much yesterday, we need more tomorrow."

但是那时他对她说,"我和你,塞丝,过去经历的太多,我们要更好的拥抱明天"

耶鲁公开课 - 美国内战与重建课程节选