Thatâs about an average monthâs salary in China, according to this data from 2012, or three months of a bus driverâs monthly salary, according to another source. In other words, buying an iPhone for your average Chinese citizen would be much like buying a cheapish second-hand car for $5,000 to $10,000 in the U.S.
States choose whether they want to hold primaries or caucuses. Most states hold primaries but states like Iowa, Louisiana, Minnesota and Maine use the caucus system.
Voters in the presidential contests may not realize they are not directly voting for a candidate. The primaries and caucuses are a process of selecting delegates or representatives of party members in each state to send to their party's national presidential nominating convention held in the summer.