The location of the ship is a closely guarded secret.
那艘船的方位是高度机密。
These days, the Coca-Cola recipe is a closely guarded secret.
如今，可口可乐的配方是一个严格保守的秘密。
In the past, information about orbits was a closely guarded secret.
在过去，关于轨道的信息是严格警戒的秘密。
The tower's height has been kept a closely guarded secret until now.
直至今日，迪拜塔的“身高”仍是个秘密。
The roaster's blending knowledge is usually a closely guarded secret.
烘焙高手混合咖啡豆的知识可谓是最高的行业机密。
It is still under construction - its final height a closely guarded secret.
它仍在建设之中——其最终高度严格保密。
Some details have been released already, but many more remain a closely guarded secret.
有的细节已经揭晓，但是更多细节仍是一个严守的秘密。
Apparently this is a closely guarded secret, because marketers spend time and money creating novelty.
显然，这是一个被密切保守的秘密，因为营销人员花时间和金钱试图创造新鲜事物。
The recipe for their drink is a closely guarded trade secret.
他们饮料的配方是严格保守的商业秘密。
But their destination has been kept a closely-guarded secret.
但是他们的目的地一直是一个秘密。
But their destination has been kept a closely-guarded secret.
但是他们的目的地一直是一个秘密。
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