talk about the past and the present ❍ 可是在这种时候有时她们也会兴奋起来，两人紧挨在一起～。(杨沫《青春之歌》373) Sometimes in moments such as these,they would be carried away by enthusiasm,and talk earnestly about the past and the present.
说古道今
talk over past and present;discourse at random of things past and present