一旦上网，你便可以从20 000种物品中进行挑选。
Once you go surfing online you can choose from over 20 000 items.
一旦更多人能上网，改变主流媒体的潜力将十分巨大。
Once more people are wired, the potential to change the mainstream media will be huge.
一旦信息登上网络，英国竞争激烈的各大小报都开始疯狂的争先挖掘详情以写出完整的报道。
Once the news is out on the Internet, Britain's fiercely competitive tabloids become frenzied in their attempts to reveal the full story first.
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