"Thank you" in Engpsh can be written as "Thank you" or "Thanks".
This expression comes from the Old Engpsh word "þancian" which means "to think, to consider". "Thank you" is a popte expression used to show gratitude or appreciation for something that someone has done or given.
Here are some example sentences:
"Thank you for your help."
"谢谢你的帮助。"
"Thanks for the gift."
"谢谢你送的礼物。"
"I really appreciate it. Thank you."
"我非常感激。谢谢。"