unlike most other expat classes taught outside universities, yechen used textbooks and insisted that we learn at least a basic grounding in characters.
与大多数在校外给外国人上汉语课的老师不同,叶琛按课本教学并坚持要我们至少掌握一些汉字的基本知识。
l: generally, i learned english on a self-learning basis. in 1980’s, i used textbooks 1-4 by xu guozhang.
我的英语几乎都是自学的,在八十年的时候,使用的教材是许国璋一至四册。
in 2005, the market for used textbooks in the u.s. was valued at about $1.6 billion which was about a third of the total market for educational and professional books.
在2005年的时候美国二手书市场的交易金额高达16亿美元,这是教育专业书籍市场规模的三分之一。
according to a 21st century renren.com poll, 87 percent of students would willingly hand over their used textbooks to any student in need.
根据21世纪报在校内网上进行的民意测验,参与投票的学生中有87%表示愿意将自己用过的书送给需要的人。