1.Abstract: This treatise uses TFA concept and its analytic method to discuss the differences and characteristics of the presupposition, entailment and affirmance.

1.文章运用TFA概念和分析法，讨预设、蕴含和断言之间的区别及运作特点。

2.Revert suggestion: when received the affirmance faxed by the issuing bank,according to the suggestion ,make corresponding register, inform the accepting network dealing with respectively.

2.理行授权中心收到行传回的《确认书》，根行的回复意见进行相应的授权登记后，通知理网点做相应处理。