一个是谢谢,一个是多亏.（有时候有贬义的谢谢0
thank ...for
谢谢你的帮助
thanks for your help/helping invitaion/inviting
thanks to由于,多亏,由于,归功于
Thanks to the bad weather,the match had been cancelled.
多亏这个倒霉天气,挺好的比赛取消了.
Thanks to your timely intervention.
多亏你及时调停