首先将实在分为三个层次：本体实在，感知实在，符号实在。

First, reality is divided into three levels: ontological reality, sensory reality and symbolic reality.

youdao

我们还都进行思考，由于思考，我们都知道这个物质世界实实在在地存在着，不管我们有没有能力去感知它。

We can also all think and as a result of thinking, we all know that the physical world exists apart from our ability to sense it.

youdao

我们还都进行思考，由于思考，我们都知道这个物质世界实实在在地存在着，不管我们有没有能力去感知它。

We can also all think and as a result of thinking, we all know that the physical world exists apart from our ability to sense it.

youdao