Continue to integrate knowledge and action, borrow U against $RSR collateral, use the borrowed U to buy AVAX collateral into Benqi. Why doesn't Binance support borrowing U against $RSR collateral? It's awkward. The biggest downside of this strategy is that if there is a market crash, related assets will be subject to liquidation, so the pledge rate must be low to mitigate risks. Why do this? Because I bet there will be a good market from January to March.