WHAT DOES NEXUS-SITE.COM MEAN?

What is the nexus basic principle? The necessity to gather and remit US gross sales tax is rooted from the theory of ?�nexus?? which is a ??connection??to a selected condition and therefore its indirect tax regulations.|默�??�况下，?�供?�天气情?�是美国?�，?�以你必须?�己?�它?�动?�改?�中?�的?�市?�