is not an infringement. Without fault, similarity is not an infringement, which is a trademark approximation. Trademark approximation refers to the similar composition, coloring and appearance of two trademark words, or the overall arrangement and combination of words and graphics, or the similar shape and appearance of its three-dimensional logo, or the similar color or color combination. When used in the same or similar goods or services, it is easy for the relevant public to misunderstand the source of the goods or services.