說起…來,既然如此,假如那樣的話
(引出與剛提及的事物相關的事)說起…來,既然如此,假如那樣的話
used to introduce sth extra that is connected with what has just been said
I don't really trust him — nor his wife, come to that.我不太信任他。說起信任,我也不信任他的妻子。
釋義來自《牛津高階英漢雙解詞典》第 9 版