他们住在该市的南部边缘。

They live on the southern ___fringe of the city.

他的观点使他处于该党的激进派边缘。

His views place him on the radical ___fringe of the party.

一些艺术家活跃在主流艺术界的边缘。

Some artists operate on the ___fringe of the mainstream art world.