However, if you draw a line after you make the Mobius band, you can follow the line around all sides of the paper.

但是如果你在一个莫比乌斯带上画线的话，你会画在纸的每一面上。

youdao

However, if you draw a line after you make the Mobius band, you can follow the line around all sides of the paper.

但是如果你在一个莫比乌斯带上画线的话，你会画在纸的每一面上。

youdao