“世上没有永远有效的技巧,只有永远有效的观察力和辩别力。盲目学别人,永远比不上自己找出路来得更好。”上世纪的60年代,美国化妆品行业已经比较成熟,化妆品的零售推销成了一个非常时尚且受欢迎的工作。 “There is no eternal effective technique in the world, only eternal effective observation and discernment force.It is better to blindly learn others than to find a way out for themselves. ” The 60s of last century, the US cosmetics industry has been relatively mature , The retail sale of cosmetics has become a very fashionable and popular job.