For many years, British English maintained its hold on ‘honour,’ grappling with the American version for years as the two flip-flopped in popularity around the world. In the 1970s, however, American English gained a clear lead as ‘honor’ increasingly became the more spelling of choice.
多年来,英式英语保持着“honour”的拼法,和美式英语相持不下,随着这两种英语的地位互换,受欢迎程度也起了变化。然而,在20世纪70年代,美式英语取得领先,“honor”的拼法逐渐成为拼写主流。(沪江英语)