In a couple of decades there could be a French-style implosion.

在二十年中，可能会发生法式风格的向内腐烂溃败。

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Perhaps a glance at your partner's parents might also reveal what you will look like in a couple of decades.

很可能几十年后你的模样会在这一瞥中显现。

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He reckons we should go back to the moon, this time to develop it, and look to get to Mars in a couple of decades.

他预计人类会重返月球，并对其进行开发，继而有望在几十年内抵达火星。

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China and India are expected to account for one third of the world's diabetics in a couple of decades.

CNN: A Looming Danger

Pundits were predicting millions of personal robots in a couple of decades.

FORBES: Reflections on Personal Robots, Backwards and Forwards

The electric car might be great in a couple of decades but as a way to tackle global warming now it does virtually nothing.

WSJ: Bjorn Lomborg: Green Cars Have a Dirty Little Secret