In the 20th century, people expected fathers to come home for dinner. In today's 21st century, even if the father can be home for dinner, the mother may not make it home to cook it.
二十世紀，人們要求爸爸回家吃晚飯；二十一世紀的今天，就算爸爸要回家吃晚飯，可能媽媽也無法回家做晚飯。