The study's finding strongly suggests that the real reason why scientists over forty rarely produce highly creative work is not due to age but rather because most have spent too long in their fields.

这项研究的发现有力地表明，40岁以上的科学家很少能做出高度创造性的工作的真正原因不是年龄，而是因为大多数人在他们的领域花了太长时间。

youdao

This was the real reason for her call.

这是她打电话的真实原因。

《柯林斯英汉双解大词典》

The real reason why prices were, and still are, too high is complex, and no short discussion can satisfactorily explain this problem.

价格过去过高、现在仍然过高的真正原因很复杂，简短的讨论并不能满意地解释这个问题。

youdao

His real strength - and the reason why he got the IMF job - is his experience in the field of European monetary diplomacy.

BBC: Koehler

Perhaps the real reason why public-sector pension costs have not been tackled is that the full bill has never been revealed to taxpayers.

ECONOMIST: The great public-sector pension rip-off

The real reason is customer service--and that means getting people in and out of the store as fast as possible.

FORBES: Quicker, Better, Wiser