Many people do not understand the importance of transaction fees, especially contract players. Most realize later that the fees have exceeded their total profits. Taking the following example, if he opened a rebate, he could get back nearly 100,000 U. If he lost 100,000 U, then with this rebate, he wouldn't be at a loss. If he made a profit, the rebate would increase his earnings even more. Therefore, having a rebate is essential for everyone. If you still don't know how to operate it, you can leave a message in the comments section; some experienced users can help too!