Contact the historical background and talk about what it means for the ticket to withdraw from the historical stage.

1 illustrates the diversification of my country's economic development and economic reform, from a single public ownership economy to a multi-ownership economy that develops simultaneously.

2 explains that my country has moved from a planned economy to a market economy

3 explains that reform and opening up has brought a lot of convenience and improvement to people’s lives

4 explains . . I really can’t think of it