Many species appear to remain unchanged in the fossil record for millions of years—a situation that seems to be at odds with Darwin's model of continuous change.

许多物种似乎在数百万年的化石记录中都保持不变——而这种情况似乎与达尔文的持续变化模型不一致。

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Murray said he chose to develop a petrol model first because he wanted to create the most efficient possible vehicle for a market in which most cars still ran on fossil fuels.

Murray说他选择首先开发燃油车是因为他想开发一种最高效的燃油车——而目前市场上的大多数车辆仍然是燃油车。

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This model has up to 80% lower emissions of fossil carbon dioxide while driving.

该车型的二氧化碳排放最高可降低80%。

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The authors say the current fossil fuel business model assumes that there are no emissions limits.

BBC: Firms 'own unburnable fossil fuels'

The second critical role for health care should be to model the transition to a post-fossil fuel economy.

FORBES: What does Climate Change Have to Do With Health Care?