thank和thanks词性不同。thank是动词，要与you等连用，thanks是名词，可单独使用。使用场合不同。thank比较正式，用于正式场合，而thanks比较随意。thank的基本意思是“谢谢”“感谢”，thanks，意思是“感谢，谢谢，道谢的话”。

相关例句

I must write and thank Mary for the present.

我得写信感谢玛丽送给我这份礼物。

Thanks for the present ─ it's just what I wanted.

感谢赠我这份礼物，这正是我想要的。

She took the money without so much as a thank you.

她接过钱，连声谢谢都没说。

He couldn't find the words to thank her enough.

他找不出适当的话语来充分表达对她的感激之情。

Many thanks for giving us so much help.

谢谢你给了我们这么多的帮助。