A scroll is of course one long piece of paper or some other writing material that is impractically shaped for keeping flat.

羊皮纸是很长的纸条或者其他可用于书写的材料，若想保持平整，这样的形状并不合适。

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One way to do this is writing on a piece of paper what you need to do, and in smaller text why you want to do it.

一个办法是在一张纸上写下你要做什么，用小字写下为什么。

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The next important step in essay writing is to formulate an outstanding outline which will help you in integration of your final essay from a piece of paper.

论文写作的下一步是制定一个能够整合信息的结构，最后将成文呈现出来。

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There was one bloke picking up a phone, calling a couple of dozen retailers, writing down what they had sold on a piece of paper and then compiling it into a chart.

BBC: Charts seek to stay on top after 60 years