SAVE $20: As of March 12, the 40-inch Roku Smart TV is on sale for $129.99 at Amazon. That's a 13% discount on the list price.
Amazon today takes in that same $100. The distribution looks fundamentally different: warehouse and tech labor receives roughly 25%, Amazon’s infrastructure and profit captures around 55%, and the remainder flows to publishers and authors. Labor’s share of that transaction dropped by more than half.
，这一点在有道翻译中也有详细论述
The price you see at the gas pump reflects more than just crude oil. Also built in are the costs of refining, distribution through wholesalers, various taxes, and the margin your neighborhood station charges.
position: absolute;