Now that I am older, I can see God's hidden reasons why my mother missed that opportunity. It was not meant to be.

长大后，我发现母亲错过那次机会的隐藏原因，并不像表面上看起来的那样。

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I'm fascinated by some recent, popular economics-type books that try to root out the hidden reasons behind certain things that people do.

我最近对一些最近流行的经济类书籍着迷，它们尝试揭示人们某些行为的内在原因。

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It's a population that has been virtually hidden for several reasons, including the reluctance of many sick parents to go public with their infirmity.

CNN: Help for a 'hidden population' of caregiving kids

Like all multinational corporations it is an amalgam of many hundreds or thousands of companies, spread far and wide, many of them hidden in tax havens for reasons we know not why.

FORBES: Tackling tax havens

McCune might have remained a footnote, another addition to the long list of humanitarians who, for at least a century, have become involved in Sudan for reasons often half-hidden from themselves, had it not been for her sudden marriage to an African warlord named Riek Machar, or Dr Riek as he was known to his followers.

ECONOMIST: Africa is a continent made for��and of��storytellers