YOU SAID:

The world is big, but some parts of it are small.

INTO JAPANESE

世界は大きく、しかし、それのいくつかの部分が小さい。

BACK INTO ENGLISH

The world is big, but small parts of it.

INTO JAPANESE

世界は大きく、それの小さい部分が。

BACK INTO ENGLISH

The world is big, but small parts of it.