起源：四月愚人节的确切起源已不可考，不过很多人认为这个节日是起源于1582年前后的法国，在公历被引进之后——公历就是我们到今天还在使用的历法。

Origin: the exact origin of April Fool's day isn't known, but many think it began in France around 1582 with the introduction of the Gregorian calendar, which is the most widely used calendar today.

youdao

四月愚人节的庆祝活动是在不同的方式在全世界范围内，确切的传统起源于它是未知的。

As April Fools' is celebrated in different ways throughout the world, it is unknown exactly how the tradition originated.

youdao

不是四月一日愚人节哦，是真正的俄勒冈驾照。

Not April Fool oh, it's real Oregon driver license.

youdao