catch a bit of cold和catch a little cold哪个正确?为什么?

catch a bit of cold和catch a little cold哪个正确?为什么? catch a bit of cold 与catch a little cold区别是什么? 是catch a cold还是catch cold I catch a cold catch a cold和have a cold有什么区别? have a cold和catch a cold 区别? catch a cold的意思 catch a cold catch cold这两种说法都对吗 A bit /a little cold had a cold catch a cold哪个用于延续的意思 a little a cold 和 a bit of a cold （小感冒）都成立吗?下, 英语翻译get a cold catch a cold 什么区别