Most authorities agree that play is an essential part of a child's development.

大多数权威人士认为玩耍是孩子成长的一个重要部分。

《柯林斯英汉双解大词典》

Another opinion is that the paintings were directly related to hunting and were an essential part of a special preparation ceremony.

另一种观点认为，这些画与狩猎直接相关，是一项特殊的准备仪式的一个重要组成部分。

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Smart phones have become an essential part of our daily lives.

智能手机已经成为我们日常生活中必不可少的一部分。

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And next year, the country is launching a small space lab to practice docking in orbit - an essential part of manned missions to the Moon and Mars.

VOA: standard.2010.04.21

That's not to say that sacrifice is abolished, it's not to say that sacrifice isn't important to Deuteronomy--very far from it, it's an essential part of God's service for Deuteronomy.

也就是说献祭被摒弃了，并不是说在申命记,中献祭不再重要，远不是那样，这是申命记中最核心的侍奉上帝的方式之一。

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But it does mean that this decentralization is an essential part of who they thought they were.

但是这就意味着地方分权,是他们自我认知的基本组成部分

耶鲁公开课 - 欧洲文明课程节选

These are things every leader should consider an essential part of their job responsibilities.

FORBES: Why Aren't Leaders Delivering the Basics?

That said, gaming has been and always will be an essential part of the device.

FORBES: Microsoft CEO Adds Credence to Xbox Tablet, Surface Phone Rumors

"Incident response is an essential part of cybersecurity, " DHS spokesman Peter Boogaard said Wednesday.

CNN: Homeland Security cites sharp rise in cyber attacks