从纤维网络到宽带联结点每次只能承载一个电视频道，这就能保证不同的视频流传送到每一个用户家中。
Only the channel that is actually being watched is sent from the fibre network down the broadband link.
最早创建的网络之一，旨在“为人们建立联结纽带”。
One of the web originals, aiming to “bring people together”.
广告平台也是双向网络的例子——联结分离的在线用户与广告主。
An advertising platform is also a special case of a two-sided network connecting two disjoint markets of on-line users and advertisers.
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