1.Identify a subject you find challenging, such as mathematics, physics, etc. 2.Explain why you find this subject challenging, considering factors like complexity, workload, or personal interest.

1.識別一個你覺得具有挑戰性的科目，例如數學、物理等。 2.解釋為什麼你覺得這個科目具有挑戰性，考慮複雜性、工作量或個人興趣等因素。