Nano Banana Pro 對話式局部修圖：換背景、移除路人、改服裝一句話搞定
不用遮罩、不用圈選，直接用中文講要改哪裡。這份指令把「只改一處、其他全保留」的關鍵宣告寫好，換背景、移除路人、改服裝都是同一套句型。修不滿意就在同一個對話追加下一句，比重新生成快得多。
請對我上傳的這張照片做局部編修，只改我指定的地方，其他全部保持不變。
這次要改：[要修改的部分]
改成：[想要的結果]
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Nano Banana 系列和 Midjourney 文化最大的差異就是「編輯、不要重抽」：圖有八成對了就用對話追改，省額度也省運氣。成敗關鍵是那句「其他全部保持不變」的保留宣告，沒寫它常會順手把整張圖重畫。實測偶爾會遇到它假裝改了其實回傳原圖，這時換個說法重送一次通常就好。換背景、移除路人、改服裝、改天氣都是同一套句型，把兩個變數換掉就能用。
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