Airbags protect the driver in the event of a severe frontal impact.

汽车若遇到正面猛烈撞击，安全气囊可以保护驾车者。

《牛津词典》

Encoding, Schacter explains, is a special way of paying attention to an event that has a major impact on recalling it later.

沙克特解释说：“编码是一种特殊的方式，它能让你把注意力集中到一件事上，而这件事对你以后回忆起它有很大的影响。”

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The impact of an event on either the macroeconomic or geopolitical stage could result in a swing in oil prices.

WSJ: Oil Market Finds Itself in 'No Man's Land'

"It's obviously hard to know what the impact of an event like that is on the way that lawmakers and others in Washington approach other issues, " Carney told reporters.

CNN: Boehner proposes short-term tax fix; Democrats say no

"Players are increasingly reluctant to play in the UK, which reduces broadcaster and sponsor interest, and therefore the impact of that event on the sport and the local and national economy, " says The Lawn Tennis Association.

BBC: Midlands no Bolt-hole as Usain demands tax changes