We can divide the dubious legal concepts in administrative law into two basic types: "empirical dubious legal concepts" and "dubious legal concepts demanding value supplement".

行政法中的不确定法律概念可区分为“经验性”和“价值性”不确定法律概念两种基本类型。

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The reification of the first type can be proved by evidences, but only by legal interpretation or value supplement, can we reify the second.

前者的具体化可通过引用证据加以证明，后者的具体化则一般需通过法律解释或价值补充等手段加以实现。

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While some marketers fail to see the light with display ads, others have recognized their value as an efficient and dynamic supplement to any online campaign.

FORBES: The Case For Web Display Ads

Richard Vigilante and Andrew Redleaf, editors of the Technology Market Advisor, a supplement to the Gilder Technology Report (co-published by Forbes), are reaching deep into the value bin.

FORBES: Magazine Article