tmasterpiece, Best quality at best， In a future train with machine service staff, the servers might look like this: The machine service staff are sleek and modern robots, with shiny metal bodies and glowing blue eyes. They move efficiently and silently through the train, attending to the passengers' every need with precision and friendly grace. One robot might be dressed in a smart, modern outfit, with a crisp white shirt and a stylish apron. It might have a name tag on its chest, reading "Robby," and a friendly smile on its face. Another robot might be dressed in a more casual outfit, with a t-shirt and jeans. It might have a more relaxed, laid-back demeanor, and might be more likely to engage in conversation with the passengers. Overall, the machine service staff in a future train are likely to be modern, efficient, and friendly, with a focus on providing excellent service to the passengers.

verybadimagenegative_v1.3, ng_deepnegative_v1_75t, (ugly face:0.8),cross-eyed,sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, bad anatomy, DeepNegative, facing away, tilted head, {Multiple people}, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worstquality, low quality, normal quality, jpegartifacts, signature, watermark, username, blurry, bad feet, cropped, poorly drawn hands, poorly drawn face, mutation, deformed, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, extra fingers, fewer digits, extra limbs, extra arms,extra legs, malformed limbs, fused fingers, too many fingers, long neck, cross-eyed,mutated hands, polar lowres, bad body, bad proportions, gross proportions, text, error, missing fingers, missing arms, missing legs, extra digit, extra arms, extra leg, extra foot, ((repeating hair))