All open with no fences and animal cages.

全开放式，不设栅栏和兽笼。

youdao

There were no signs marking the international border, no fences, no barbed wire.

这儿是没有任何标记的国际边界，没有围墙，没有铁丝网。

youdao

There were no fences at all by the roadside now, and the land was rough and untilled.

现在路旁没有短墙了，地面高低不平，也没有耕种过。

youdao

There were no fences on the Great Plains.

VOA: special.2010.04.15

You have built all your stadia, there are no fences and everyone is sitting.

BBC: Fifa president Sepp Blatter meets PM David Cameron

You can see from this picture of the 1903 World Series that there are no outfield fences, although there was likely a chalk line or a rope marking how close spectators could come to the field.

FORBES: Connect

It boasts exclusive equestrian trails and a laid-back lifestyle, complete with white three-rail fences, and no sidewalks or street lights.

FORBES: Hidden Hills, Los Angles County, California