print(p.x); // 30
Now, you can get an autonomous dirt-sucker with serious cleaning chops for $500 — sometimes even $300 or less. But you get what you pay for in this space; don’t expect affordable robot vacuum cleaners to have all of the bells and whistles that premium machines do, like self-emptying capabilities or advanced dirt detection. After testing dozens of robot vacuums at various price points, I’ve narrowed down our top picks for the best budget robot vacuums you can buy right now.，详情可参考whatsapp
papers about simulations whose code and data was private. A large，推荐阅读谷歌获取更多信息
Is it fair to take credit for Claude’s work?