大家都說嚼口香糖會印象不好？雙胞胎實驗告訴你 Identical Twins "Beldent Chewing Gum" Experiment┃VoiceTube 看影片學英語
There's a social stigma attached to chewing gum.
社會大眾對於嚼口香糖有種既定的負面印象