它们还提供一些帮助团队更有效地协作的附加特性。
They also provide some additional features that help a team collaborate more effectively.
这并不是完全相同的任务，但它足够类似，因而可能成为一个附加特性。
It's not exactly the same task, but it's similar enough to be a likely addition.
PGP的附加特性是：私钥的密码实际上不是密码，它是一个密码短语。
An added feature of PGP is that the password for the private key isn't really a password; it's a passphrase.
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