For applications made from outside of the UK, this information will be sent by first class post.

对于在英国以外的申请，这条信息将被头等邮递公司邮递。

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If however after one week your documents have not been collected we will post them out by first class post.

如果超过一个星期你的文件还没有被收寄，我们将自己使用头等邮递公司邮递。

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The post office has promised to resume first class mail delivery to the area on Friday.

邮局已承诺在星期五恢复该地区第一类邮件的递送。

《柯林斯英汉双解大词典》

Royal Mail has revealed that only two other post code areas in the the UK are worse than Swansea for meeting the target for delivering first class post by noon next day.

BBC: NEWS | UK | Wales | Welsh cities among worst for mail

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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