3 sentences

1. 近十年来，该国的经济实现了跨越式腾飞。

   jìn shí nián lái, gāi guó de jīng​jì shí​xiàn le kuà​yuè​shì téng​fēi.

   Over the past decade, the country's economy has achieved a leapfrog takeoff.

   Source: Dong Chinese Dictionary

2. 这一政策推动了该地区经济的跨越式发展。

   zhè yī zhèng​cè tuī​dòng le gāi dì​qū jīng​jì de kuà​yuè​shì fā​zhǎn.

   This policy promoted leapfrog development in the region's economy.

   Source: Dong Chinese Dictionary

3. 那个国家的经济在短短几年内实现了跨越式的跃进。

   nà gè guó​jiā de jīng​jì zài duǎn​duǎn jǐ nián nèi shí​xiàn le kuà​yuè​shì de yuè​jìn.

   The country's economy achieved a leapfrog advance in just a few years.

   Source: Dong Chinese Dictionary