.provided on request.对应中文应是什么?
问题描述：
.provided on request.对应中文应是什么?
原文:He's making me angry,although he'd be surprised that his hitherto minimal contribution to the conversation---a couple of "Sorrys"and his sister's first name,provided on request---could have provoked this response.
答
假设,如果有.的需要