gratitude for的用法和樣例：
例句
- I owe you a debt of gratitude for what you've done.
對你所做的事，我欠你一份人情債。 - We owe you a debt of gratitude for you help.
承蒙幫助，感恩不盡。 - He kept on sending me$20 every Christmas long after his debt was paid. That's gratitude for you!
償清了欠債之後，他長久以來一直在每個聖誕節寄給我20美元錢。他這是為了表達他的感激之情啊！ - I'd like you to accept this small present as our gratitude for your cooperation.
我想請您接受這份小小的禮物，感謝您的合作。
