他们认为太空探险花费了太多的钱的翻译：They think space exploration spending far too much money 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 space exploration has spent too much money

They think space exploration spending far too much money

They thought the outer space exploration has spent too many money

They believe that space exploration has spent too much money

They think space exploration spending far too much money