One was avoiding sending any substantial message at all when nothing had changed since the prior request.

其中之一是，如果自前一个请求发出以后内容没有发生任何改变，则避免发送任何实质性消息。

youdao

Turn over your request for a solution to your subconscious prior to sleep.

在入睡前，将你寻求一个解决方案的请求呈递给你的潜意识。

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In keeping with the prior examples, we will display the referrer and resource of a hit, but only when the request has a status code of 200 (and referrer is available).

与前面的示例保持一致的同时，我们将显示访问的提交者和资源，但是只有在请求的状态码为200(并且提交者可用)时才如此。

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"They always tell me they don't like their faces, " says Dr Kim, explaining what his patients request prior to surgery.

CNN: Plastic surgery boom as Asians seek 'western' look

He has been troubled by a persistent hamstring injury and, more significantly for the team, remains at the centre of a destabilising transfer saga after handing in a transfer request prior to the game at Old Trafford only to withdraw it two weeks later.

BBC: Has beating Manchester United undermined Leeds' season?

Hoyer also said that even though Obama, then a senator, did not request any earmarks in last year's spending bill, he did request projects for Illinois in prior years he served in the Senate.

CNN: Two Democrats urge Obama to veto spending bill