junk food

1.It can be extremely difficult to wean children off junk food.

让儿童改掉吃零的习惯有时十分困难。

2.In “Idiocracy” he turns his talents to futurology—and to the troubling question of the long-term impact of dysgenic breeding, junk food and grunge culture on America's collective IQ.

在《蠢蛋进化论》中，他把他的聪明劲用了“未来学”上，以及在不利于人优化的培养方式，垃品和庸俗文化长期浸淫下，所引出的令人头疼的美国大众智商问题。