The passenger bus was not an act of bad pay. It will exploit to the bus driver. Because the bus driver, he must find the money to make a living and support their families, then boarded the bus, and then does not pay. The bus driver where to get money to spend because the income of the bus driver every baht every dime came from passengers too. So, take a bus, you should pay the full price they set. So as not to exploit each other.