2. If the currency you buy is in the middle, you can wait and see temporarily according to the situation at that time, so as to get rid of it or reduce the position on rallies to reduce losses.
3. If the currency you buy is at a low level, you don't need to stop in a hurry. After the bought currency falls and stabilizes, we should dare to make up the position at the low level of important support, dilute the cost, and rescue the high position together in the next rebound market.