With the gap between the richest and poorest now greater than it has been since the 1920s, these pitches have emerged as central components of their campaigns

最富者和最穷者的差距如今要比自上世纪20年代以来的任何时候都要大，这些言辞已成为他们的竞选活动的中心主题。

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Business strategy management consists mainly of the two central components of strategy design and strategy implementation.

企业战略管理主要包括战略设计和战略实施两个核心环节。

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Light signal transduction pathways are central components of the mechanisms that regulate plant development.

光信号转导途径是植物发育调控机制的中心组成部分。

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The Emirate's Central Bank has said it will not give an unconditional bail-out to Dubai World, but look at components of the company to see if they are worth saving.

VOA: standard.2009.11.30

In a recent TED talk, Don Tapscott summarized the central components of the philosophy: collaboration, transparency, sharing and empowerment.

FORBES: Why Open-Source Principles Are a Recipe For Innovation

In northern and central Mexico German companies turn out electrical components for Europe, Canadian firms assemble aircraft parts and factory after factory makes televisions, fridge-freezers and much else.

FORBES: Mexico's Economic Trajectory: Onward and Up?