It arrived by first-class mail in second-class condition. It is impossible to tell where the law stops and justice begins.

头等邮件收到时却是二等情况。你无法说得准在何处法律让位给正义。

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It arrived by first-class mail in second-class condition.

那是第一级的邮件，收到时却处于第二级状态。

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And for some individuals, a few days without second class mail - most of which is credit card offers, pre-approved loan applications and other unsolicited junk - may not be entirely a bad thing.

BBC: NEWS | Business | Q&A: Postal pay dispute

But in response, a Royal Mail spokesman told the BBC that any suggestion that the second class post was more efficient than the first was "completely incorrect".

BBC: NEWS | Business | Use second class, says Postwatch

Royal Mail customers pay 28p for a first class stamp, 7p more than the price of a second class stamp, in the hope that the item will reach the recipient the next day.

BBC: NEWS | Business | Use second class, says Postwatch