Sitting on a sofa is more comfortable than sitting on a bench, mainly because the sofa is softer and

Because: sitting on the sofa, the contact area between the butt and the sofa is large, and the pressure is small.

If it's a matter of common sense, both sofas and benches are used for resting, and tools for sitting are soft and hard for the latter. Flooring is a kind of floor decoration material.

Forum posting: the name of the first floor, the second floor, the third floor, and the fourth floor. Either way, the term has been abused on the forum now, and it has also become a way to irritate the water, and it is estimated that the forum will also ban the word in the future. "Too much use is simply overflowing, and it also indirectly leads to a sharp decline in the quality of responses. >>>More

The sofa is the name of the location of the first person who responds, that is, the first floor, and so on, and the second is the bench.

The sofa refers to the BBS (forum).

For example, a new post was made in the forum. >>>More