The secret of love hidden in the tree hole, is of no significance.

爱的秘密藏在树洞里，是没有意义的。

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From what unknown sky hast thou carried in thy silence the aching secret of love?

你是从哪一片未知的天空，悄无声息地携来这神秘的爱的苦痛？

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Another secret of love is knowing that you are yourself special, that in all the world there is only one of you.

另一个爱的秘密是觉得你自己很特别，全世界中只有一个你。

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The one secret of success, happiness and a perfect love life.

成功，快乐，完美爱情的唯一秘诀。

哈佛公开课 - 幸福课课程节选

But when junior Scott McAllister asked Gore what he likes doing for fun, Gore admitted a secret love after giving the politically correct answers of painting, watching movies and playing sports with the families.

CNN: He also shows more relaxed attitude in several NH stops

It's no secret that there's no love lost between Philip Knight, the founder of Nike, and Jim Jannard, the founder of Oakley.

FORBES: Night falling on Knight

For much of the 70s and 80s Agnelli was also the symbol of Italian manhood: he was married to a princess, but his love affairs were never kept secret.

CNN: Agnelli: The playboy industrialist