调查由作者和理论研究，考虑到开发商之间的竞争为环形竞争，而不是垄断性竞争。

Investigation by the author and theoretical research, consider the competition among developers for the ring of competition, rather than monopolistic competition.

youdao

调查由作者和理论研究，考虑到开发商之间的竞争为环形竞争，而不是垄断性竞争。

Investigation by the author and theoretical research, consider the competition among developers for the ring of competition, rather than monopolistic competition.

youdao