社会进步理想成为一面新的旗帜，它凝聚起全社会的力量。

The social progress becomes at the same time a new flag and it condenses the strength of whole society.

youdao

社会进步理想成为一面新的旗帜，它凝聚起全社会的力量。

The social progress becomes at the same time a new flag and it condenses the strength of whole society.

youdao