In Japan, people are not supposed to give gifts of money in even numbers because it can be equally divided into. In Japanese culture this is a taboo because this number can be easily divided just like a couple can.
ーIn Japan, people are not supposed to give gifts of money in even numbers because it can be equally divided. In Japanese culture this is a taboo because this number can be easily divided just like a couple can.
「日本では偶数のご祝儀は割り切れるのであげないことになっています。日本の文化では、この数字が割り切れることは、カップルが別れることにちなんでタブーとなっています。」
「ご祝儀」は a gift of money
「偶数」は even numbers
「割り切れる」can be equally divided で「割り切れる」
「タブー・ご法度」taboo
「夫婦・カップル」couple
ご参考まで！
カナダ 
