It functions more often as an added syllable to accord with the prosody, a marker of the predicate advanced and a focus marker.

• 认为《诗经》中“彼”的使用与上古散文不同,显示出诗歌语言独有的语法语用特点,即充当主宾语的句法功能不很发达,而作为衬字、谓标记和焦点标记等功能甚为强大。