秘方的英文怎么说

秘方的英文：
secret

Even more processes are never patented at all but kept as secret processes.
甚至还有更多的工艺从未取得专利,只是作为秘方保存着。

A secret between more than two is no secret
两人以上知道的秘密就不算秘密

I confide a secret to a friend.
我向朋友吐露了秘密。

The secret store is headquartered abroad.
这家黑店的总部设在国外。

Scientists have unlocked the secret of the quantum.
科学家们已经揭开了量子的秘密。

This is no secret. It is currently known.
这不是什么秘密。人们一般都知道。