Will you are so kind as to let us know the quantity you can offer?
請您將可供數量告訴我們好嗎？
Oh, you are so kind!
噢，你是如此的仁慈。
Oh, you are so kind.
噢，你真是好心人。
You are so kind and friendly.
你們真的很友善。
In my heart, you are so kind and optimistic that you always give me courage and energy.
在我心里，你是如此的善良和樂觀，你總給予我勇氣和能量。