说theway后面的是定语从句,求大侠给分析一下语法.Butbecausehardlaughterisdifficulttosustain,agoodlaughisunlikelytohavemeasurablebenefitstheway,say,walkingorjoggingdoes.theway前面不用加as吗？

　　说theway后面的是定语从句,求大侠给分析一下语法.

　　Butbecausehardlaughterisdifficulttosustain,agoodlaughisunlikelytohavemeasurablebenefitstheway,say,walkingorjoggingdoes.

　　theway前面不用加as吗？