Thank you. / Thanks. 这是最常用的.
Thank you very much. / Thanks a lot. / I appreciate what you did. 表示非常感谢,心存感激的意思.
I am thankful ... 比较正式,书面
81888700提问：请问 英语有几种说法?
Thank you. / Thanks. 这是最常用的.
Thank you very much. / Thanks a lot. / I appreciate what you did. 表示非常感谢,心存感激的意思.
I am thankful ... 比较正式,书面