YOU SAID:

That girl had fewer marbles than an avid collector of beans does.

INTO JAPANESE

その少女はビー玉の数が、熱心な豆の収集家よりも少なかった。

BACK INTO ENGLISH

The girl had fewer marbles than an avid bean collector.

INTO JAPANESE

その少女は熱心な豆収集家よりビー玉が少なかった。

BACK INTO ENGLISH

The girl had fewer marbles than an avid bean collector.