This , however , may have just been marketing bumf .

然而，这在市场上可能只是一纸无用的公文。

If need not bumf , use little hand child .

要是不用卫生纸，难道用小小手子。

Cleanness : no trace on the bumf no matter how you rub .

干净：不管怎么擦，卫生纸上都留不下东西。

And you should also make sure the bumf in the toilet is enough .

而你也应该确保卫生间里的卫生纸足够.

Haunted : you feel you did it and there 's trace on the bumf , but nothing can be seen in the commode .

闹鬼：感觉拉出来了，卫生纸上分明还有痕迹，但马桶里却什么也看不见。