There are two kinds of computer desks to choose from on the bed. First of all, it is the most common one. When it is closed, a board with four iron legs can be unfolded. The market sells about 15. Second, it's all made of wood, the width of which is the same as that of the bed in the university dormitory. It can be pasted at the end of the bed without being disassembled every day. Last year, I bought one for 35 yuan.

The above is for your reference