你好! （個人意見,僅供參考） （1） For both Korean and Amoy native speakers, [s] and [z] are much easier to pronounce than ‘th’. （2）Voiceless consonants plused “s” are pronounced as /s/ and voiced consonants are pronounced as /z/ . （3） Thus people speaking this kind of language are probably unable to pronounce the right voice. （4）This is another reason why people from the above two countries have difficulties in pronouncing some English words.