In the northern part of Taiwan, the sign for "milk" is an index finger crooked above the lip. In the central and southern parts of the island, it is far more graphic-the hand makes a "milking" motion in front of the chest.
又如「奶」，北部的打法是食指彎曲放在嘴上；中南部就非常視覺化，直接五指彎曲在胸前作「擠奶」狀。