豬狗不如(人),豬不如狗,人不如人,凡人不如英雄, the structure of these characters are all explainable in a simple way. 

Puzzled? Someone is working for you. Question asked is half solved.

Like stock trade, I do it by myself instead of an agent,I'm among the very few who research market wave by exploring words like an amature linguist does. A double winning is its fun part.