every now and

every now and every now and then是什么意思? every now and then 还是 now and then?表示不时? now and then和every now and then的意思完全相同吗? now and then 与 every now and then 的区别是什么? every now and then和now and then 有什么区别? 请问now and then和every now and then again意思分别是什么? Every now and then和once in a while I our daily life,everyone fails every now and then 英语翻译Regressing---looking back every now and then at somethin Every now and then sunshine is warm making life extremely Mike,what did our monitor say just now?every boy and every g