previously和beforehand还有in advance的区别及用法?

previously和beforehand还有in advance的区别及用法? 词汇辨析-beforehand和previously,ahead的区别 previously神马 previous和previously怎么区别 他们都可以当副词啊 previously connected什么意思 previously怎么念 previously和previous的几点问题如果我要说“与前者不同”,那我该怎么翻?different from the previous?还是different from the previously?如果different改成differ会影响后者吗? in advance beforehand previously区别 previous和beforehand还有in advance的区别及用法?说错了，是previously和beforehand还有in advance的区别及用法？ 美剧里开头的那句“亏b思类安 last”是什么意思呀查查我看lost的时候每集都来句“亏b思类安 last” 和 previously的发音差好大呀 previously on prison break 合乎语法吗? 英语previously有没有那时的意思 previously可以修饰过去完成时吗?还是previously修饰完成时时,完成时就要用过去完成时? 希望能得到您的详细句子结构和语法解释,永远支持您们!The improved Mackintosh is able to run programs that previously were impossible to run on an Apple PC,including IBM-compatible (兼容的) programs. 翻译Previously held return allowance returned to your account 请问previously then这个连词是啥意思? previous to meeting还是previously to meeting?为什么? feelings hidden previously emerge when you you leave