The driving force behind this is hybrids' supposed offer of up to 25% better fuel economy.

这一切，其背后的驱动力就是混合动力车其燃油经济性可以提高近25%。

youdao

Nina's love for dressing up soon became a driving force that allowed her to dream a dream: becoming a leading fashion designer.

尼娜对穿衣打扮的热爱很快就成了她梦想未来的动力：当一名引导潮流的时装设计师！

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TG has become a powerful, central force, driving interest and involvement into the core components that make up TurboGears.

TG现在功能已经非常强大，正在强力促进大家对构成TurboGears核心组件的兴趣和参与。

youdao

The truth is that filling up the planes is the driving force.

BBC: News Online

Some have said that the implementation of the second round of quantitative easing (QE2) was the driving force behind the sudden ramp-up in the rate of inflation in China.

FORBES: China Finds Success: More Stimulus Incoming?

Hitcham, an antiquarian bookseller, fears the arrival of Harris and Hoole and other chains will damage the character of the Kent seaside town and force genuine independents out of business by driving up rents.

BBC: Tesco effect: How big firms quietly own little brands