在页面上边的中部写：To whom may concern:然后在下面一行处写：This is to certify xxx who is a ....
1.Heighten ideological understanding 2.To strengthen management 3.Improve the document writing ability 4.Improve various system 5.Strengthen the audit efforts
enhance ~ideological understandingreinforce the managementdevelop the ability of document writingimprove various systemstrenghten the audit efforts
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周大侠go
