索引词：recur
例文：[例16] The dark side of human nature is a recurring theme throughout Alfred Hitchcock’s films. 阿尔弗雷德·希区柯克的影片一再描写的主题是人性的阴暗面。 [例17] In an MNE group one of the enterprises may be suffering a loss, even a recurring one, but the overall group may be extremely profitable. 在一个跨国企业集团内，某一家企业可能遭受损失，甚至一再遭受损失，但整个集团却可能非常盈利。 [例18] FAR Subpart 13.303-5(d) provides that if, for a particular purchase above the micro-purchase threshold, there is an insufficient number of BPA’s to ensure maximum practicable competition, the contracting officer must solicit quotations from other sources, and make purchases as appropriate, and establish additional BPA’s to facilitate future purchases if recurring similar requirements are anticipated, qualified sources are willing to accept BPA’s, and it is otherwise practical to do so. 《联邦采购条例》第13分编第303-5条(d)项规定：对于超过小额采购最低额度的某一特定采购，如果一揽子采购协议的数目不足以确保最大程度切实可行的竞争，则订约官员必须向其他来源征求报价，并酌情进行采购。如果预计以后会提出类似的要求，合格的货源也愿意接受一揽子采购协议，这样做也切实可行，订约官员就须制定额外的一揽子采购协议，以便促进未来的采购。 [例19] The architect and the engineer shall state in the accident report their opinion as to the cause of the subsidence and what remedial action in relation to the building has been done by them or should be done to prevent a recurrence of such accident. 建筑师和工程师必须在意外报告内说明他们关于沉降原因的意见，并须说明为防止再次发生沉降，他们对这座建筑物已经采取或认为应该采取的补救行动。