问题如下：
A bank trades a swap where a fixed rate of 5% in currency A is paid and Libor in currency B is received. Show that the swap can be considered as a fixed-for-fixed currency swap plus an interest rate swap.
解释：
The swaps are as follows.
• The fixed rate in currency A is paid, and a fixed rate in currency B is received.
• The same fixed rate in currency B is paid, and Libor in currency B is received.
老师你好，这块确实难理解，请解释
