April Fools' Day
01
エイプリルフール, 四月バカ
the 1st of April on which people in Western countries play tricks on one another and the person who is tricked is called the April Fool
例
Some companies release fake products on April Fools' Day to entertain their customers.
一部の企業は、顧客を楽しませるためにエイプリルフールに偽の製品をリリースします。
