《笑林广记·谬误部》
苏州人说： 既然如此，我就把南方大桥详细地讲述给你听，何必要长途跋涉。 
苏人曰： 既如此，弟只消备述与兄听，何必远道跋涉？ 
The Suzhou native said, “In that case, I will tell you all about the great bridge in the south, why go to all that trouble of making the trip?”