n.附加，附加法；添加

You need to increase the products' affixation value.
你们需要增加产品的附加值。
The study of affixation is helpful to grasp Chinese word formation correctly.
对词缀法的研究有助于正确把握汉语构词法。
Affixation is a controversial issue in the field of Chinese linguistics.
词缀是汉语语言学界颇有争议的问题。