profit increase trade = win win trade

    if we can continue win win trade,

    we can keep continuous income

 

       win win trade

     =  when sum of 2 player's profit increase after trade,

 

    How to do profit increase trade ?

 

    ① protect each other                            profit = life

    ② preserve common resource             profit = risk reduce against steal

    ③ plan standard                                   profit = usability of product    ( outlet , usb plug, etc )

    ④ plan safety system                           profit = reduce risk (  global risk, etc  )

    ⑤ public infrastructure                         profit = nice bridge, graceful station, (  block chain tranxaction can plan )

    ⑥ plan high hurdle task                       profit =  product with high tech, if impossible with 1 team

    ⑦ professional split                             profit = work number increase & tech growth ( industrial revolution )

 

    thanks