【正文】
隋唐時期發(fā)明的。 Unit 2 Will books be replaced by the Inter? 3. In those days, books were only produced one at a time by hand. 在那時,書是靠手工制作的,一次只能生產(chǎn)一本。 4. We can pare the invention of paper and printing to the introduction of the Inter in the twentieth century. 我們可以把紙和印刷術的發(fā)明比作 20世紀因特網(wǎng)的推行。 Unit 2 Will books be replaced by the Inter?