sign on the dotted line agree formally.
1921P. G. WodehouseIndiscretions of Archie I spoke to him as one old friend to another…and he sang a few bars from 'Rigoletto', and signed on the dotted line.
英语词组固定搭配大全包含15956条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。