在本世纪初，科学家和医生们就看到了该技术的潜力无穷——人们可以利用它制作活性组织，甚至是人类器官。

In the early 2000s, scientists and doctors saw the potential to use this technology to construct living tissue, maybe even human organs.

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上世纪80年代，美国家庭储蓄9%的家庭收入。该比率到了90年代便落到5%左右，而进入本世纪初后，则几乎不到2%了。

In the 1980s American households salted away 9% of their income; this fell to around 5% in the 1990s and to barely 2% in the early years of this decade.

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该比率到了90年代便落到5%左右，而进入本世纪初后，则几乎不到2%了。

This fell to around 5% in the 1990s and to barely 2% in the early years of this decade.

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