[請益] BBC News 不清楚的部份

[Ikebe3120 ()]

原文:http://www.bbc.co.uk/news/technology-22949159

其中有一段是在介紹新手機的規格，當中有一段文字是在說明省電技術

Various power saving technologies based on the firm's experience as one of
the biggest telecoms equipment makers. As a result, it says the device's
battery lasts 30% longer than it would do otherwise.

請問句尾最後的otherwise是什麼意思呢?
謝謝各位

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