Price increase.

1. When new shoes are released, the price will increase because things are rare and expensive.

2. The prices of new shoes are all protective prices, which are the prices set by merchants to prevent losses. Commodity listing and sale consists of four parts: listing, subscription, trading, and delivery. It means that sales companies list commodities on the exchange and issue subscription invitations. Traders, including traders, dealers, demanders, and investors, trade through The system conducts spot purchase of goods.