Now, the main challenge was to find the right material for printing clothes with. I mean the material you feed the printer with.

现在，主要的挑战是找到合适的材料来打印衣服，我指的是你放入打印机的材料。

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Here in America, after all, the pursuit of happiness has the status of a foundational right, coincident, but not quite identical, with material prosperity.

毕竟在美国，追求幸福是一种基本权利，但同时这又并不与物质上的富庶完全对等。

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This material was pummeling the surface of Earth right through the Hadean era. But that doesn't explain why LUCA chose our side of the mirror.

在整个冥古宙，从太空中被抛至地球的正是这种物质，但这种猜测却无法解释为什么露卡会选择两种镜像中的一种。

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It noted that some tweets still needed to include left-to-right material to allow users to mention subject hashtags or other members' account names written in other languages.

BBC: Twitter page in Farsi

Lastly, make them review the pre-read material by jumping right into their feedback on some aspect of that material.

FORBES: Biotech Scientific Advisory Boards: What Works, What Doesn't

And so by comparing material-size to people-size, are we measuring primary material consumption on the right scale?

BBC: Go Figure: Why does every person need 200kg of steel a year?