This is the 2391st most frequent Chinese word.
同一
"Same" or "identical."
The phrase '同一个' indicates that the speaker and another are referring to the same city, signifying a shared aspect.
我们住在同一个城市。
We live in the same city.
The phrase '同一种' suggests that the two individuals share an identical type of hobby, emphasizing sameness.
他们有着同一种兴趣爱好。
They have the same kind of hobby.
The phrase '同一家' conveys that all mentioned products originate from one shared factory, highlighting common source.