这样将使它们具备双重竞争优势；所有人都必须花费额外的时间和金钱支持这种格式，并且任何人的支持都不会是最好的。

That gives them a double-edged competitive advantage; everyone else has to spend extra time and money supporting that format, and no one else's support will ever be as good.

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除非缓存大量数据是关键的，去掉随机操作的好处是双重的：提高软件模块性，释放服务器上的CPU时间。

Unless caching huge amounts is critical, the benefits of offloading randomization are twofold: improved software modularity and freed CPU time on the server.

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这种双重药物疗法抑制恶心与呕吐的最佳疗效时间为化疗后的24小时。

This two-drug regimen is most effective in preventing nausea and vomiting in the first 24 hours after chemotherapy.

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