 However, a major drawback of using DRL is the Data hungry training regime of DRL that requires millions of trial and error attempts, impractical in real robotic hardware.
<coherence>  However, a major drawback of using DRL is the Data hungry training regime of DRL that requires millions of trial and error attempts, impractical in real robotic hardware.
 However, a major drawback of using DRL is the data-hungry training regime that requires millions of trial and error attempts, impractical in real robotic hardware.