问一下,from that day on 和since then有什么区别吗?答:二、Since then 前后一般接现在完成时,从那以后,现在完成时表示过去的某件事对现在还有影响, 现在完成时的标志性时间状语already , ever , never , yet , just , before, still , lately ,since , for a long time ,up to now, until,so far,in the last few years/weeks/mouths , till...