他们认为大力发展旅游业会促进经济发展。的翻译：They believe will vigorously develop tourism promoting economic development. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

They believe that to develop the tourism industry will promote economic development.

They believe will vigorously develop tourism promoting economic development.

They thought develops the tourism to be able vigorously to promote the economical development.

They believe that strive to develop the tourism industry will promote economic development.

They believe will vigorously develop tourism promoting economic development.