Do n ot make your con tributio n more in formative tha n is required
质量准则the maxim of Quality ——不要说你认为是假的话或你缺乏足够证据的话
Do not say what you believe to false.
Do not say for which you lack adequate evide nee
关系准则the maxim of relatio n ——使你的话与话题相关
be releva nt
方式准则the maxim of manner——避免模糊、歧义，应简明有序
Avoid obscurity of expressi on and ambiguity; Be brief/be orderly.
Signi fica nee: it expla ins how it is possible for the speaker to convey more tha n is literary said.
