=VLOOKUP(LEFT(A2,4),A:B,2,0)& amp;if error("-" & amp;VLOOKUP(左(A2 & amp" AAAAAAAAAA ",6),A:B,2,0)," ")& ampif error("-" & amp;VLOOKUP(左(A2 & amp" AAAAAAAAAA ",8),A:B,2,0)," ")& ampif error("-" & amp;VLOOKUP(左(A2 & amp" AAAAAAAAAA ",10),A:B,2,0),"")
這是4級,定期增加是不夠的。下面是壹個例子。