◎ 留连忘返 liúlián-wàngfǎn[linger; have much enjoyment and forget to go back home] 指由于喜欢一个地方或环境或伴随情况而延缓启程,久留其地-----------------国语辞典:依恋徘徊,舍不得离开。如:「眼前这片美景,令许多人留连忘返。」也作「流连忘返」。
◎ 留存 liúcún(1) [preserve;keep]∶保存(2) [keep on file]∶存放此稿留存(3) [remain;be extant]∶存在;未消失-----------------国语辞典:保存、保留。如:「他仍留存著童年时收藏的书签。」近保存反淘汰,淹没英语 to keep, to preserve, extant, to remain (from the past)德语 Verbleib (S), zurücklegen (V)法语 garder, conserver