It's easy to come up with a task which is useful and original - just combine existing ideas in a new way, perhaps with some minor twists.

一般来讲，创造出一个有用的应用并非难事，只需要把已有的点子组合在一起，或许再来一点小的改动。

youdao

Every new idea...... is a combination of two existing ideas.

每个新创想源于两个已经存在的创想的结合。

youdao

It is based on the logic of existing ideas and traditions, to create a breakthrough process.

它是在逻辑思维的基础上，对已有观念和传统，进行突破性创造的过程。

youdao

He also searched for unusual connections between existing ideas.

VOA: special.2010.05.30

Until that point, we have no reason to really give up on our current existing ideas about what justice is.

直到完全了解，我们没有理由放弃,我们目前现存有关正义的概念。

耶鲁公开课 - 政治哲学导论课程节选

There is no basis for individual rights, or for a critique of existing ideas and institutions, if there is no base either in religion or in reason.

如果没有宗教和理性,人权以及对现有思想和制度的批判,也就没有了保障

耶鲁公开课 - 古希腊历史简介课程节选

No company has as much experience of transforming the technological marketplace, especially by reinventing existing ideas.

BBC: Apple: Experts' views on tech firm's next big product

The gold is in figuring out new ways, products and such from combining two or more existing ideas.

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Traditional management is so focused on disciplined execution of existing ideas, that new ideas have a hard time getting accepted.

FORBES: Lessons In Innovation 2: Where Good Ideas Come From