The day after Christmas is generally a busy one for retailers.

圣诞节次日对零售商们来说通常都是繁忙的一天。

《柯林斯英汉双解大词典》

Logic prevails on this one as with dim lighting, busy people and highly flammable fresh paint on the set.

在这一点上，逻辑是占上风的，因为灯光昏暗、人们忙碌，而且现场的油漆高度易燃。

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Susan Bass says that this year's Earth Day will be a busy one in the United States.

VOA: special.2010.04.21

I did have one adult student. She has 4 children, so she's very busy.

我有过一个成人学生。她有四个孩子，所以她很忙。

和钢琴老师 - SpeakingMax英语口语达人

Stephen Hanson, owner of New York's Blue Fin and Ruby Foo's, says that the monthly rent bill for a healthy restaurant is ideally no more than its sales on one busy day.

FORBES: No Free Lunch

For one very busy week every three months she cares for patients in Mississippi and performs procedures, such as endoscopy, to which they would never have access.

FORBES: A Doctor Muses On The Selfishness Of Altruism

One particularly busy Friday evening at San Francisco airport as a passenger service agent, I began working a flight with a passenger line that snaked back 100-plus people for a shuttle flight to San Diego.

FORBES: An Oscar Night Reflection of a Different Kind