The safest thing is to look around through the province. The dart in front of the skirt is short, which saves less. The province of the back film is longer and more economical. The short path perpendicular to the waist in the picture below is the province.
Generally, there are openings at the back of short skirts. Most of them are on the left and right, and most of them are on the right.
Trademark and model labels are usually sewn on the back.