Clean up the room is bothersome task for me. Even as I know, the most efficient way to maintain my room clean is sweep away the dirt frequently, I can’t do that. 用 英語 (美國) 要怎麼說？

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Cleaning up my room is a bothersome task for me. Even though I know the most efficient way to maintain my room is to clean it frequently, I still don’t want to do that.

“can’t” implies that the task is impossible to do. If it is impossible then you can say “I still can’t do that” (if you don’t have enough time to clean your room often, etc.).