/ B; x) H4 a7 X+ S2 R# m7 V& W个人理解,none confirming letter 和 none approval letter还是有区别的。如 & x" u' Z$ a6 |0 P' R7 h" d/ j果not confirming, 你可以要求owner to ask the city to confirm and approve. ' E# J5 j( p1 y( h7 S0 fAfter the checking, the city has the responsibility to say yes or no. If 0 ~% B+ q8 m% }/ m5 S# |not approving, do not buy it.