Question

请帮我把这段文字翻译成中文，不要翻译器，谢谢。

Before printing was invented, copies of a manuscript had to be made by hand, usually on animal skins. This was a difficult task that could take many years, and which made it possible to produce more copies in a few weeks than could have been produced in a lifetime written out by hand.
如果可以的话，帮我把句子的结构说明一下。
谢谢。

Answer 1

逻辑结构不清。
Before printing was invented, copies of a manuscript had to be made by hand, usually on animal skins. This was a difficult task that could take many years,
在打印技术发现之前，手稿的复制是用动物的皮手工完成的。这个复杂的工序通常要花好几年。
and which made it possible to produce more copies in a few weeks than could have been produced in a lifetime written out by hand.
这种方法使得在几周内制作多份复制品成为可能，比用毕生时间手写制作。。。。。？
不清楚想要表达的意思和比较什么。

追问

额 抱歉 中间打漏了几个词。This was a difficult task that could take many years, and which made books very expensive .Printing made it possible to produce