Back then, stateside Chinese restaurants didn't have cooks adept with the cleaver, and most Americans hadn't seen real Chinese food. Decades later, even Americans of non-Chinese extraction might be connoisseurs of Chinese cuisine.
美國的中國餐館當時沒有刀功很細的廚子，一般人也沒見識過中國菜；幾十年後，如今要吃中國菜，老外也懂得講究了。