The fence would extend 1,120 kilometers along the entire U.S.-Mexican border, but not all of it would be an actual barrier.

围墙将沿着整个美国—墨西哥边境延伸1120公里，但并不是所有的都是实际屏障。

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But not all of it would be actual barrier.

但是并不是所有的部分都有实际障碍。

youdao

In other words, much of the Great Barrier Reef is an actual living creature.

换句话说，大堡礁的大部分实际上是活的生物。

youdao

Since Congress can vote to raise the limit, its existence has been more of a political nuisance than an actual barrier.

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