There is generally little doubt that fire is a significant factor in maintaining savanna, certainly in most regions.

火灾是维持稀树草原的一个重要因素，在大多数地区都是如此，（人们）对此通常很少有疑问。

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'Invaders' such as wind, cold, heat, dampness, dryness factor into illness, so can five phases known as fire, earth, metal, water and wood.

风、寒、暑、湿、燥等“外敌”会致病，而金、木、水、火、土的五行不调也会让人生病。

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But another crucial factor is what type of plants the fire has to eat.

但另一个关键因素是：火焰将吞噬哪类植物。

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Weather is not believed to be a factor. Witnesses say they did not see any fire before the plane broke apart.

VOA: standard.2010.05.12

At least 21 London tower blocks rated as a high fire risk by local councils were not visited by firefighters last year - despite flawed visits being a factor in the fatal Lakanal House fire.

BBC: No fire checks for tower blocks despite Lakanal fire

All the existing Kindle Fire tablet apps, in a smaller form factor (and with a focus on portrait mode) should be enough.

FORBES: The Coming Amazon Kindle Phone Is Not Going To Be A Surprise

We believe that the precipitating factor for the conflict was the rocket fire coming out of Gaza.

WHITEHOUSE: The White House