What can we do to avoid a Wall-E scenario in which the Earth is surrounded by a solid barrier of junk?

如何才能避免出现电影"机器人总动员"描述的那种地球被一层固体垃圾屏障包围的情况？

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But the most agonising song is the song of the coolies who bring the great bales from the junk up the steep steps to the town wall.

然而最令人难受的却是苦力的歌，他们背负着船上卸下的大包，沿着陡坡爬上城墙。

youdao

But the most agonising song is the song of the coolies who bring the great bales from the junk up the steep steps to the town wall.

然而最令人难受的却是苦力的歌，他们背负着船上卸下的大包，沿着陡坡爬上城墙。

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