tron bandwidth rental

https://tronenergycalculatorsite.alderbrief.com/posts/tron-energy-calculator-use-grows-as-tron-developers-seek-resource-management-tools

Tron bandwidth rental is a service where users borrow TRX to temporarily increase their available bandwidth for transactions, avoiding the need to freeze TRX. It's useful for transferring USDT or other tokens without holding TRX, paying a small fee to the renter instead.