By doing so (such), we may discover the benefits of simply watching a sunset.
这句话中,so为什么不能换为such?such也可作代词,比如:We were second-class citizens and they treated us as such.
《高考英语备考1号·速效编》
《高考英语备考1号·写作编》
《高中英语晨读晚记》
《高中英语错题笔记》
《零起点考大学英语》