It is made of potatoes.看得出原材料用of看不出原材料用from祝你学习进步！望采纳，谢谢！
It's made of potatoes. 这是看得出是由土豆做成的It's made from potatoes. 这是看不出由土豆做成的
This thing is with potatoes
It's made by potatoes.
it's made of patato
