禁忌

它的確存在, 但是因為人們將它視為禁忌而不去談論它, 也就不需要多說什麼了。

tā díquè cúnzài dànshì yīnwèi rénmen jiàng tā shìwéi jìnjì ér bú qù tánlùn tā yě jiù bù xūyào duō shuō shénme le

It exists, but seeing as it is taboo and that nobody talks about it, there's no need to have words for it.