It is more comfortable to choose a word at home. Flip-flops will be clumsy because of scratching their feet, which will affect the quality of life.
A kind of men's clothing, usually worn indoors. Usually refers to the shoes that can be separated from the feet only by the movement of the shoes or feet, or three protrusions with directions parallel to the soles of the feet, or the approximate plane where the inner surface of the soles of the feet is located is coplanar with the extension line of the calf axis, so as not to hurt the shoes and feet.