北京是一个大城市。

Beijing is a big city.

youdao

然而，我居住在一个小的城市，而北京是一个大城市，单单靠告诉人们可以回收利用并不够。

However I live in a small town and Beijing is much larger and just giving people the option to recycle has proven to not be enough.

youdao

然而，我居住在一个小的城市，而北京是一个大城市，单单靠告诉人们可以回收利用并不够。

However I live in a small town and Beijing is much larger and just giving people the option to recycle has proven to not be enough.

youdao