There has been a falling-off in box office income and other earnings.

票房收入和其他进项已经有所下降。

《柯林斯英汉双解大词典》

The economic effects of the sports facilities are mainly gained in the box office income and the rental.

运动设施服务社会的经济收益主要来源于门票收入和租用收入；

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However, after less than 10 years of flourishing, they are facing great decline in box office income.

但是经过了不到十年的繁荣之后，它们却面临着票房收入大幅度下跌的严重问题。

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We then looked at each movie's estimated budget (not including marketing costs, which are susceptible to accounting chicanery) and box-office, DVD and television earnings to figure out an operating income for each film.

FORBES: The Star Economy