It would ordinarily be used if you want someone to clear up whatever issue confuses you. "I feel confused", on the other hand, is drawing attention to your ... ... <看更多>

而當你感到困惑，你是被某事物影響才會有困惑的情緒或感覺，所以要用[過去分詞] 表達被動: I am confused. （我感到很困惑）. ... <看更多>

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The this inside a function is determined by its calling context, and by whether the function is an arrow function or not. ... <看更多>