Question

that's one of the ways they do that is by doing this 各位帮我分析一

Answer 1

这句话意思是通过这样做是他们做事的其中一种方式.

这句话是宾语从句和定语从句结合,前一部分

that's one of the ways they do中one of the ways是they do的宾语,后一部分中one of the ways they do that is by doing this

中by doing this是one of the ways的定语.