预付回报费用的剩余部分的英文

unexpended portion of the reply paid charges

• 预付:    payment in advance
• 回报:    report back on wha ...
• 费用:    cost; expenses; ou ...
• 的:    4次方是 The fourth po ...
• 剩余:    surplus; remainder ...
• 部分:    part; section; por ...