Turns out, according to Daniel Cook, a historian of childhood consumerism, it was popularised as a marketing trick by clothing manufacturers in the 1930s.
据儿童消费史学家丹尼尔·库克所说，事实证明，这种做法是服装制造商在20世纪30年代为了促销而推广的一种营销手段。
Directions: You are to write an email to James Cook, a newly-arrived Australian professor, recommending some tourist attractions in your city.
说明：你将要给新到的澳大利亚教授James Cook写一封电子邮件，推荐你所在城市的一些旅游景点。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。