1 low price, low cost; 2 without printing, saving paper, ink, water resources; 3 no logistics, warehousing, without transport, saving manpower and material resources; 4 to speed up the publishing cycle,
讲缺点的:Now, more and more people prefer e-books to traditional ones, because it can save their time and money. However, with various e-books flooded in, more and more people are aware of the disadvan