the difference between these words

1。in the time of 在。。时间里比如 In the time of waiting,let her understand everything couldn't retrieve!Give up 。miss。all can not then come back!在等待的时间里,让她明白了一切不可能回到从前,放弃思念,一切已经不能回来。2。in the times of 在。。。时期、时代里如 In the times of information economy,it is key that forestry enterprises has strong ability of studying to gain dominant position of compete。摘要信息经济时代,林业企业学习能力的高低是获取对外投资竞争优势的关键。3。in time of 在。。。期间如 One must be calm in time of danger。一个人在危险时刻必须镇静。4。in times of 在。。的时候如Food shortages often occur in times of war。战争时期常常发生粮食短缺的情形。其实有时候可以混用啦,意思差的不是很多 5。in a time of 以。。。的时间如 And in a time of economic uncertainty,we need tax certainty。在经济不确定的时候,我们的税收需要稳定。