市价单是以当时市场价格成交的订单，不需要自己设定价格，可以使得订单快速

A market order is an order that is traded at the current market price. You do not need to set the price yourself, which can make the order quickly traded. Limit orders need to specify the transaction price, and will only be executed when the specified price is reached or there is a better price, similar to the "ordinary order" in A shares.

The market price list is an order concluded at the current market price. It does not need to set its own price, which can make the order conclude quickly. The limit order needs to specify the transaction price. It will be executed only when the specified price is reached or there is a better price, which is similar to the "ordinary order" in a shares.

The market price is the order that is sold at the current market price, so it can be sold quickly without setting the price by itself. The limit order needs to specify the transaction price, and it will only be executed when the specified price is reached or there is a better price, which is similar to the "ordinary order" in A shares.