But the Chinese never adopted, at least in that period, effective rules for encouraging the spread of those ideas -- a profit motive that could have encouraged the spread.
Men kineserne havde aldrig vedtaget, ihvertfald i den periode, effektive regler til at opmuntre spredningen af de ideer, [for eksempel, aldrig opmuntret] et profit incitament der kunne have opmuntret til en spredning.