Use your own means of transport to traffic goods (purchase goods in place A and sell them in place B) in order to obtain the difference profit. In the old society, due to inconvenient transportation, commodity trading channels were not so developed, and the circulation of commodities depended largely on the hard work of these businessmen.
Special meaning
During the period of War of Resistance against Japanese Aggression, Nanjing was occupied, and the life of ordinary people was extremely difficult. Going it alone has become the livelihood of many poor people. At that time, the exchange of materials between urban and rural areas was blocked, the Japanese and puppet military police were very nervous and the supply of materials was insufficient.
People try their best to bring salt, cigarettes, matches, soap and commonly used drugs to the countryside, and then bring back agricultural products such as rice, oil, salt, meat and vegetables from the countryside, which not only makes the difference, but also allows themselves to eat cheaper things. This is the so-called solo gang.