The contents of the envelope form the detailed content of the message.

信封的内容就是消息的详细内容。

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After completing and signing it, please return the form to us in the envelope provided.

填好表格并签名后，请把表格放入我们提供的信封内送回。

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All the MIME parts including the SOAP envelope part and other attachments, form the HTTP body.

所有的MIME部件都包含soap信封部件和其它附件，构成HTTP主体。

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But when shareholders don't have the documents in hand, they seem to have a hard time walking the form and its special code to the computer, despite an envelope that was redesigned last year to add a large "vote" logo.

WSJ: Getting Going: Why Proxy Votes May Matter More This Year