The currency swap is an arrangement in which two parties exchange specific amounts of yuan and another currency, and a series of interest payments on the cash flows.
货币掉期是指双方交换约定数量的人民币和外币本金，同时定期支付两种货币现金流利息的交易合约。
3
If you play video games with 3d trees, the arrangement of the branches and leaves were probably calculated using the Fibonacci series to determine the location of the branches and leaves.