精英阶层的孩子可以被称为"epte children"或"privileged children"。这个说法的来源可能源于精英阶层通常拥有更多的资源和机会，这些资源和机会可以帮助他们的孩子受到更好的教育和培养，在未来取得成功。

例句：

The epte children at this private school have access to state-of-the-art facipties and resources that help them excel academically and in extracurricular activities.

这所私立学校里的精英儿童拥有使用最先进设施和资源的机会，这些设施和资源有助于他们在学术和课外活动方面取得优异成绩。

As a privileged child, she had many advantages that helped her succeed in pfe.

作为一个精英儿童，她拥有许多有助于她在生活中取得成功的优势。