Voolga, as a representative example, publicly reports a gross margin of 83%, meaning that for every $100 in facial mask sales, the actual cost is just $17, with the remaining $83 being gross profit. In its IPO response, it disclosed that the cost of a single box of masks is less than $9.
As far back as 10 years ago, I learned about cell culture technology in biology textbooks. Now there are actually companies selling cultivated meat for human consumption, which can avoid a whole host of livestock farming issues and yield ready-to-eat meat directly (cells grow straight into mature edible meat in a bioreactor, without going through traditional animal rearing).
原文：https://www.npr.org/sections/health-shots/2022/11/14/1136186819/cultivated-cultured-meat-heathy-climate-change
Money doesn't change, but people do. It's rare enough to last a lifetime, let alone endure for three generations. As long as someone more ambitious exists, they'll find ways to dilute your wealth through one story after another.