Maxim of quantity
（1）Make your contribution as informative as required （for the current purpose of the exchange.)
（2）Do not make your contribution more informative than is required.
评分标准：答对（1）（2）各得15分；解释不当，酌情扣分。
Maxim of quantity
（1）Make your contribution as informative as required （for the current purpose of the exchange.)
（2）Do not make your contribution more informative than is required.
评分标准：答对（1）（2）各得15分；解释不当，酌情扣分。
