PM_me_your_math·3 ปีที่แล้ว·discussI just wish there were more images. There are usually only one or two on this types of articles.
PM_me_your_math·4 ปีที่แล้ว·discuss"frivolous goods"Sure, if the good or service is actually frivolous, but what about the case where the human is actively searching for some good or service that offer some actual value?