对于——delete，它处理bucket删除(非递归的，因此用户必须先删除bucket中的所有密匙)或bucket中的密匙删除。

For — delete, handle either bucket deletion (non-recursive so the user has to remove all the keys in the bucket first) or key deletion within a bucket.

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密匙对的一个特性是使用密匙对中的一个密匙加密的消息只能使用另一个密匙解密。

One property of the key pair is that messages encrypted with one of the keys can be decrypted only with the other.

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对于一次性使用，可以更容易地在一个本地临时目录中构建密匙环，生成并交换证书，然后将完成的密匙环文件移动到它们的最终目标位置。

For one-time use, it would be easier to build the keyrings in a local temporary directory, generate and exchange the certificates, and then move the finished keyring files to their final destinations.

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