🚀 aerospace 技术 really progress , but still too much emphasis on showy thing . 🤖 we should focus on long-term goal instead of short-term gain . and what's with the "骄傲" mentality ? 😒 in 2050 we'll have breakthroughs , not now . 🕰️ 84 is old age , shouldn't be so obsessed with being proud of...