由 Mandy Liu » 週一 1月 30, 2017 4:19 am
1. Convenience stores in Taiwan are not only open 24 hours every day but also seen everywhere.
Or,
2. A convenience store in Taiwan is not only open 24 hours every day but also seen everywhere.
A convenience store 是個主詞,或是可以互成複數的如句子1。