Differentiation may be based upon certain characteristics of the product itseft, such as exclusive patented features; trade-marker; tarde name peculiarities of the package or container, if any; or singularity in quality, design, color or style.

• 产品的鉴别以其自身所具有的特征为基础,如专利、商标、品名、包装,以及设计、色彩和风格等。