It's only an abstract idea.

这仅仅是一个抽象的概念。

youdao

An abstract idea or notion; a unit of thought.

一个抽象的观念或想法；一个思维单位。

youdao

Up until now, the idea of pregnancy has probably been mostly that—an abstract concept.

直到现在，怀孕的想法可能仍是一个很抽象的概念。

youdao

Up until now the idea of pregnancy has probably been mostly that-an abstract concept.

直到现在，怀孕的想法可能仍是一个很抽象的概念。

youdao

Up until now the idea of pregnancy has probably been mostly that-an abstract concept.

直到现在，怀孕的想法可能仍是一个很抽象的概念。

youdao