Backbone Newtwork的用法和樣例：
例句
- The sheer size of the Internet makes it a candidate for the backbone of the Information Superhighway.
網際網路規模的快速增長使得其可以作為信息高速公路骨幹網的侯選對象。 - Finally it sums up the aspects that need further discussion and forecasts the foreground of virtual backbone technology.
最後提出需要進一步研究的方面並展望虛擬骨幹網技術的前景。
