I don’t let the past hold me back, I let it teach me.
你不能仅仅问顾客他们想要什么,然后试图满足他们。等你把产品开发出来时,他们可能已经想要新的东西了。
What you actually pay for something is at least twice the listed price because of the energy, time, money needed to set it up, learn, maintain, repair, and dispose of at the end. Not all prices appear on labels. Actual costs are 2x listed prices.