There are three key elements that go into choosing the Best Men's Suits: price, style and quality.

选购理想的西装时有三要素：价格、款式和质地。

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A system is formed with three key elements: structure, information and function.

系统一般包括结构、信息和功能三个核心要素。

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Breathe sound production and resonance are three key elements of sing and three important sectors of vocal music teaching.

歌唱的呼吸、发声、共鸣是歌唱的三要素，是声乐教学的三个重要环节。

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The president has said on numerous occasions that the key to combating al-Qaida and Taliban advances is a regional approach that includes three elements: military action,diplomacy, and support for development.

VOA: standard.2009.03.26

Jeff Montgomery : I think there are three key elements to answering that question.

FORBES: 3 Key Changes to Investing Today

But at the core of M2M are three key elements: Mobility, Big Data and the Cloud.

FORBES: Making The Internet Of Things A Reality: Mobility Meets Big Data In The Cloud -- "Triple Word Score"!

The Federal Reserve's response to this crisis has consisted of three key elements.

FORBES: Reducing Systemic Risk