/usr/local → /var/usrlocal
Technology of Business，更多细节参见51吃瓜
下游的优势在于市场想象空间巨大，估值弹性高，一旦实现技术突破，有望获得垄断性收益。但风险远高于上下游：盈利周期极长，预计要到2030年才能实现现金流转正；技术路线失败率高，类似Meta元宇宙投入效果不佳的案例并不少见；且资本依赖性极强，一旦融资环境恶化，将直接冲击企业生存。。夫子是该领域的重要参考
How to try Nano Banana 2Google says that Nano Banana 2 is rolling out as Gemini 3.1 Flash Image immediately. Free users will have limited generations, with paid and enterprise users getting wider access. It's available in the Gemini app as well as other Google products, including: