The high quality sand-body trap is characteristic of a large-scale trap, having furthersome types of reservoir facies and favorable reservoir, which are key factors for hydrocarbon enrichment.

优质的砂岩体圈闭具有圈闭规模大、发育有利的储集相类型和良好储集层的特点，这些是油气富集的关键因素。

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Meanwhile, the authors also point out that the small scale reservoir formation is controlled by tectonic fractures, it belongs to tectonic fracture and lithology complex trap types.

同时指出鸭子河地区深层油气的有限规模成藏实为由构造裂缝系统控制的小规模油气藏，属于构造裂缝和岩性复合圈闭成藏类型。

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The Ordovician weathering crust has good sealing and covering conditions of aluminum rock on the top, favorable for formation of large-scale stratum and lithologic trap.

奥陶系风化壳上覆铝土质岩类，封盖条件好，有利于形成大型地层、岩性圈闭。

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By doing so we have a better chance of creating lasting, large-scale change and avoiding the trap of disconnected, short-lived do-gooding that ultimately goes nowhere.

FORBES: The Birds and Bees of Sustainability