Large-scale vertical farms, like the "Type O2" design seen here, are still only theoretical, but certain cities have expressed a serious interest in making them a reality.
大规模的纵向农场，比如图示的"Type O2"设计，仍旧是理论阶段，但一些城市已经表示出将理论变为现实的强烈兴趣。
Today, in most large cities, water is used only once and then runs to the sea or rivers. But it can be used again.
今天，在有很多的大城市里，使用过的水直接就流到海或河里了。但是，它是可以被再利用的。
As the businessman association, the Chambers of commerce were not only set up in large and medium sized cities everywhere, but began to breed in country towns.
作为近代商人社团的商会，不仅在各大中城市普遍创建，而且在乡村市镇也广泛渗透。
The Internet can bring life-changing opportunities to those who don't live in large cities, but only if it is available and affordable.
因特网带来生活变化机会那些不居住在大城市但如果是唯一可负担得起。
The Internet can bring life-changing opportunities to those who don't live in large cities, but only if it is available and affordable.
因特网带来生活变化机会那些不居住在大城市但如果是唯一可负担得起。
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