Request keyboard to not update any personalized data such as typing history and personalized language model based on what you type in Secret Chats.
Be aware that this setting is not a guarantee, and some IMEs may not respect it.
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要求鍵盤於私密聊天時不要更新任何個人資料，例如輸入歷史記錄與個人語言習慣。
請注意，這樣的設定不一定有效，且部分輸入法可能會忽略此設定。
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