But how did these two inconspicuous letters come to represent that well-know phrase?

看为什么这两个不起眼字母会表示亲吻和拥抱呢？

youdao

But how did these two inconspicuous letters come to represent that well-know phrase?

看为什么这两个不起眼字母会表示亲吻和拥抱呢？

youdao