But doing so take some time, employees may not pressure-sensitive labels to all merchandise, and customer may be deliberately remove labels or adhesive failure, the label may come off.

• 但这样做花费一定的时间，雇员可能不会给所有的商品贴标，而且顾客可能会故意移除标签或粘合剂失效，标签可能会自行脱落。