translation.en: Now moths don't learn a lot about what is good to smell, but humans do, and up to the age of about four, any smell, no matter how rancid, is simply interesting.
translation.zh: 蚕蛾不知道 什么是好的气味，而人类知道。 在人类四岁以前， 任何气味，不管有多糟糕， 都是有趣的。