Every now and then和once in a while
Every now and then和once in a while
now and then与now and again 、once in a while三者有何区别,请能够举例说明更好
every once a while ,every once and a while有什么区别?
Every once in a while you find someone who's iridescent,and
every now and then是什么意思?
once in a while
now and then和every now and then的意思完全相同吗?
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?
once upon a time before now is now and then is now .是什麼意思
every now and then 还是 now and then?表示不时?
once in a while与every once in a while有什么细微区别,后者更频繁些?谢谢了