He took a used envelope bearing an Irish postmark.

他拿了一个盖着爱尔兰邮戳的旧信封。

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In this case, if the root element of the XMLNSC tree is a correctly formed SOAP envelope, then the message is used as is.

在此情况下，如果xmlnsc树的根元素是型式正确的SOAP信封，则消息将按原样使用。

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Ms Watt said she noted some of what was said on the back of a used envelope on the bus home.

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To travel undetected in the guise of a standard business letter, the device needed to fit into the most commonly used envelope (a number ten in America, which is about 100mm by 240mm).

ECONOMIST: Monitor

They are based on a non-rigid design, in which the pressure of the helium inside the envelope is used to maintain the airship's shape.

ECONOMIST: Pushing the envelope