It is normal for friends to communicate with each other with a price difference. If you want to withdraw cash from this exchange to another exchange, you need two accounts. At present, most platforms will be wary, but there will always be a price difference. This is the fact of the currency circle. As for whether the platform you mentioned can withdraw cash, I'm not sure. You can go and have a look. Attention, but personally, I feel very tired of making little money. Long-term investment is good