prior to,before有什么区别

prior to,before有什么区别 previous和prior有什么区别? Prior to和before等同吗? prior to和superior to请问使用及解释有什么不同?请各举例句, before ago有什么差别?will和 be going to有什么区别 请问prior和previous在使用的场景上有什么区别都表示先前的 但是在什么时候用prior什么时候用previous? long before 与before long 的区别 ,有什么异同 “long before 与 before long”有什么区别? logn before与before long用法有什么区别 until和before有什么区别? if saved prior to add a record / if saved before add a record All the arrangements should be completed (priority) prior to your departure.All the arrangements should be completed prior to your departure.prior prior 请问为什么要形容词prior ,它修饰什么? before和in (the)front of 区别有什么区别 subject to prior sale undeclared war,prior to 请问prior to that prior什么意思? prior suicidality什么意思?