用英语翻译: 在过去的十年间它的经济发展迅速。

用英语翻译: 在过去的十年间它的经济发展迅速。

经济发展迅速有一个专用的词来形容:"boom”
十年就是一个decade，
所以，这句话可以这样写：
The economic boomed in the last decade.

In the past decade its rapid economic development

its economy grew rapidly in the last decade。

Its ecomomy developed rapidly in the past ten years

in the past decade,its economic developed rapidly.