1. Withdrawal refers to the amount of pesos that the central bank withdraws from the domestic money market every day to control liquidity.

2. After increasing the amount of returned funds, the liquidity in the market decreases, leading to an increase in interest rates.

3. Cash withdrawal rate is a relative index, which indicates the corresponding relationship between net cash withdrawal and net cash input, and its value always changes within a certain range.

4. Cash withdrawal rate indicators are usually combined with some absolute indicators, such as "cumulative cash receipts and payments" and "cash receipts and payments increase and decrease", etc., to observe the problem from both relative and absolute perspectives.

5. Fully reflect the income and expenditure of the bank.