同样是赚 100 块，2019 年能留下 50 块毛利，2024 年只有 36 了，这还不是净利润……
The base 640K of DOS must hold both programs in memory at the same time, so this is a nice piece of corroborating history for those who think software today is too bloated. An industry-defining spreadsheet with graphing and database capabilities close to modern expectations, an online help system, plus a natural language interface, all run together in less than 1MB of RAM.
。业内人士推荐新收录的资料作为进阶阅读
**Avoid patterns like:**
Beth Alaw WilliamsBBC Wales