Check your spark plug for carbon and check the spark plug gap.

检查您的火星塞积碳和检查火星塞白金间隙。

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A cheaper range of products was introduced to plug the gap at the lower end of the market.

推出相对廉价的一系列产品，是为了填补较低档市场的缺口。

《牛津词典》

Trying to plug that gap, carriers are cutting costs and adding fees.

为了缩小这个差距，航空公司纷纷削减成本、加收税费。

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But Navy acquisition officials have rejected preliminary plans to use commercial alternatives to plug that gap.

WSJ: U.S. to Trim Commercial-Satellite Use

McKinsey's Jayant Sinha believes the education system can be fixed in time to plug the gap.

ECONOMIST: India

Is the prime aim to make the regions rich or to plug a gap in democracy?

ECONOMIST: Bagehot