- Part of the challenge is speed, too, how quickly you can get these answers in terms of getting them in on time.

部分困难也会来自于速度，你多快能做出答案,能否在规定的时间做完。

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The challenge will be to get legislation on the table that will back up those numbers.

面临的挑战将是进行支持这一目标的立法。

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Now the challenge is not just to get the DNA that encodes a gene into a cell, the challenge is to get it into the cell in a form where the cell can use it, can express it and make proteins from it.

现在的问题不仅在于,要将编码基因的DNA转进细胞,还要让它进入细胞之后,能够为细胞所用,能够表达并合成蛋白质

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