In the long run, a 5% actual improvement in fuel efficiency from a good-quality additive is better than a 50% claim by an additive that will only corrode your fuel lines.

从长期看，实际提高5%燃油功效的质量好的添加剂要比声称可提高50%功效但只会腐蚀燃油管的添加剂好。

youdao

The purpose of claim check is to improve efficiency.

凭证索取的目的是要提高效率。

youdao

Officials claim the move will eventually have an impact on overall weight and fuel efficiency of the aircraft, although clearly the decision will also remove expensive printing costs.

新航有关管理人员表示此举既可减少昂贵的印刷费用，而且也可降低飞机整体载重和提高燃油效率。

youdao

It is thought the Dreamliner's claim to fuel efficiency will be an advantage as oil prices continue to soar.

BBC: Dreamliner to fly by end of 2008

The basic claim is that the government should change endowments with transfers, but allocative efficiency is maximized by letting individuals choose their utility maximizing consumption bundle.

FORBES: Paternalism and Welfare

According to the National Audit Office only a quarter of the claimed savings were fairly represented while the second efficiency programme launched just last year is "cutting services to claim efficiencies" - and has "acute" measurement problems.

BBC: In full: Cameron's economy speech