Therefore, every four years, February 29 is added to the calendar.

因此每隔四年，二月二十九日就会加进日历里。

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February 29 is not a holiday, but it is still special because it only comes once every four years.

二月二十九日不是假日，但因为它每四年才来一次，所以依然十分特别。

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There are 366 possible birthdays (including February 29 in a leap year) and this blog has many more than 367 readers.

包括润年的2月29日在内，全年366天中的某一天都可以成为某人的生日。

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In the case of the February 29 agreement, however, the negotiations had hardly broken down.

CNN: STORY HIGHLIGHTS

However, in a February 29 interview, Serino expresses some doubt about Zimmerman's account, noting that many questions remain about the incident.

CNN: George Zimmerman: Trayvon Martin threatened my life

The difference between short-term greedy and long-term greedy types undoubtedly was evidenced in the February 29 plunge in gold and silver prices.

FORBES: The Benefits Of Being 'Long-Term Greedy'