(from the comparison between these positive and negative effects of a,negative ones. therefore,這種題型往往要求先說明一下現狀,有時也會單從一個說明利弊題型,2. 事物本身的優缺點(或一方面) its advantages can be seen as follows. first ----------------(a的優點之一). besides -------------------(a的優點之二).the