Because it takes some time from the time you set the purchase price of 200 1 to the time you entrust the transaction, and your entrustment may be late during this time, so the transaction was entrusted by others first, and your entrustment may not be completed until the price reaches 2002. But generally speaking, for example, this situation is suitable for the situation that the previous price is higher than 200 1, the price has dropped to 200 1, and the application for 2002.2003 will definitely be concluded before you.