Inter and intraspecific conflict and competition, and cooperation, are part of nature in most species.

种族内和种族间的冲突和竞争，还有合作，是大多数种族的一种天性。

youdao

Inter and intraspecific conflict and competition, and cooperation, are part of nature in most species.

种族内和种族间的冲突和竞争，还有合作，是大多数种族的一种天性。

youdao