The process of implicature translating is the very process to pursue the optimal relevance. A translator should first of all find out the implicatures in pursuit of the optimal relevance based on the explicatures of the source text (ST) and his own cognitive context. Then if he estimates that such implicatures may be yielded in the target text (TT) audience's cognitive context, the translator should endeavour to leave the implicit utterance to be implicit in the TT for the sake of relevance. While if he estimates the socio-cultural defaults involved in the inference of implicatures are beyond ...