Sorry, Sir. May I refund this art paper? What I need is 4k, not 8k.
2
解释二维(平面)图形和三维(立体)图形的不同:书和美术纸有什么相同之处?
Explain the differences between two-dimensional (flat) shapes and three-dimensional (solid) shapes. How are the book and piece of construction paper the same?