How many students have their birthdays in June? No one.

多少学生在六月份过生日？没有人。

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Of the 66 people in a certain auditorium, at most 6 people have their birthdays in any one given month.

在一间会堂里，有66个人，其中最多有6个人的生日同时出现在一个任何一个月份上。

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They could choose to have their birthdays bumped either back one day or ahead to the first day of the next month.

他们也会同意人为地将自己的生日提前一天或推后到下个月的第一天。

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Buffett, Tisch, Robertson and Soros have all seen their 65th birthdays and belong in the money management hall of fame.

FORBES: Four Aging Samurai

These untimely ends should of course strengthen the argument that it may not be too wise in the Africa of tomorrow to have leaders who are constantly fighting with their birthdays and the states of their health.

BBC: African viewpoint: Death on the continent

These moms and others I met maintain their sense of humor in spite of the difficulty of watching kids grow up without their dads, having to explain why birthdays have been missed, why there's a war on.

NPR: Reporter's Notebook: A Delayed Homecoming