essential element

基本解释

The most essential element of any jobsearch is an up-to-date resume.
對於任何求職來說，最基本的要素是一份最新的簡歷。
Data elements are the essential element for displaying values from data sources.
數據元素是用來顯示來自數據源的值的基本元素。
If a file is completely missing, data is garbled beyond recovery, or an essential element is absent in an XML document, that is when you interrupt your user's work.
如果一個文件完全丟失了，數據已經篡改而無法脩複，或在 XML 文档中缺少必需元素，這時可以中斷用戶的工作。

I think the essential element, in my mind, that makes it a crime is the idea that they decided at some point that their lives were more important than his, and that, I mean, that's kind of the basis for really any crime.
就我的認知，我覺得最重要的一點，之所以說他們搆成犯罪,是他們認爲，某種程度上，自己命比派尅更重要，而這正是一切犯罪的動機。
耶魯公開課 - 公正課程節選

An essential element to moving forward in the field of personalized medicine is cloud computing technology.
FORBES: The Cloud is Key to the Cure
Some people consider it a performance enhancer, others an essential element of equine care.
FORBES: Does Horse Racing Have A Better Drug Policy Than The Olympics?
The essential element is that Cam had to authorize someone to act on his behalf.
FORBES: The Centuries-Old Solution to the Novel Newton Play for Pay Rule

any chemical element required by an organism for healthy growth. It may be required in large amounts (macronutrient) or in very small amounts (trace element) &rarrsee alsomacronutrient , trace element