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1·Hear o Fortuna in the movies Cheaper by the Dozen, Natural Born Killers, and the Bachelor.

在电影《按打卖便宜》《天生杀手》，《单身汉》中可以听到《哦，命运》。

2·The Gilbreths were a real family. Cheaper by the Dozen was the name of a book written by two of the twelve children.

吉尔布瑞斯一家是个真实的家庭，“买一打更便宜“是由十二个孩子其中的两个写的一本小说的名字。

3·He bought them by the dozen; it was cheaper.

他是成打买它们的，这样较便宜。