The concept of identity infrastructure as a service fol-lows two major trends: the evolution of it from capital infrastructure to a service, and the consumerization of it.
Old French picked this up and the word appeared as a Middle English word fol whose earliest written record appears in 1225.
古法语借鉴了这个词，而它最早出现在中世纪英语书面记录的时间是1225年。
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Knot craft is one of China's ancient fol arts. Using colorful silk threads, they are beautiful plaited ornaments nade in various kinds of auspicious patterns.