debt of gratitude

• 人情债

debt of gratitude的用法和样例：

例句

1. Finally, ladies and gentlemen, I am sure you will all agree that we owe a debt of gratitude to the Brown's Company for the use of their fine Hall.
   最后，先生们，女士们，我肯定你们都造成我们欠了布朗公司的情，因为他们把这么好的大厅让给我们使用。
2. We owe you a debt of gratitude for you help.
   承蒙帮助，感恩不尽。
3. I owe you a debt of gratitude for what you've done.
   对你所做的事，我欠你一份人情债。