Formal expression of thankfulness, often used in written or official contexts.
I express my deep gratitude for your support.
Formal expression of apology; less common than 謝罪 in everyday speech, but used in official statements.
He expressed his apology for the mishandling.
The company expressed its gratitude to the customers who had supported it.
The company issued a formal statement of apology regarding the accident.
He conveyed his gratitude in a letter.
I accept this award with heartfelt gratitude.