A. Express quotation (quotation)

The modern painter Xu Beihong's "Horse", as some critics have said, is "full of vigor and vitality".

Zhang said in the Tang Dynasty that it was "made strangely, and people didn't know what it was doing".

B. express a specific title

C. The expression of special meaning needs to be emphasized

The role of emphasis, such as:

8) Looking up from the foot of the mountain, I saw the torches arranged in many zigzags, stretching all the way to the sky.

9) He said there was something evil on his face, and he must have met a "beautiful snake".

D. expressing negation and irony:

They (friendly people) tear off their masks of "civilization" by maintaining their "order" prisons.