This standby succeeds if you charge a lot more than the dinner costs.

这个备选方法只有在拥有比晚宴花费更多的资金的时候，才会成功。

youdao

It takes at least 20 milliwatts to keep a mobile phone operating in standby mode, but Nokia hopes that power scavenging might eventually deliver 50 milliwatts, enough to trickle-charge a phone.

保持手机在待机状态下作业至少需要20毫瓦电力，但是诺基亚希望电源收集最终可以提供50毫瓦电力，足够给一部手机缓慢充电。

youdao

The phone will apparently cost quite a bit more than Nokia's, although talk time levels and standby times per battery charge differ.

摩托罗拉的这款手机显然要比诺基亚的贵很多，但每次充电的通话时间和待机时间会有所不同。

youdao

It takes at least 20 milliwatts to keep a mobile phone operating in standby mode, but Nokia hopes that power scavenging might eventually deliver 50 milliwatts, enough to trickle-charge a phone.

ECONOMIST: Monitor