In mainland China, an average of RMB100 is spent on textbooks per student each semester, with something like 100 million books being printed. This not only consumes a lot of timber, but also produces pollution.
一般估計，中國大陸平均一位學生每學期的課本費用約一百人民幣，印製量上億本，不但要用大量木材，也會造成污染。