纳税人以委托方式出口货物的，应当按照国务院税务主管部门的规定办理委托代理出口手续，由委托方按规定申报办理出口退（免）税、免征增值税或者缴纳增值税；未办理委托代理出口手续的，由出口货物的发货人按规定申报缴纳增值税。
Replaced by: Custom/DIY (0% → 50%), rest other tools
。51吃瓜对此有专业解读
It also became one of the early examples of user interface design conventions such as badges, rating buttons, sharing and recommendation features which have largely become standard features across media platforms today.
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Source: Computational Materials Science, Volume 267