Ifweareaskedexactlywhatweweredoingayearago,weshouldprob...
问题详情：Ifweareaskedexactlywhatweweredoingayearago,weshouldprobablyhavetosaythatwecouldnotremember.Butifwehadkeptabookandhadwrittenitinanaccount(陈述)ofwhatwedideachday,weshouldbeabletogiveananswertot...