1.Dear Mr. Philips,
尊敬的菲利普斯先生:
Dear Bill,
亲爱的比尔:
2.To whom it may concern,
致相关负责人:
To whom it may concern,
This is to certify that Mr. Warren Collins has been working for Main Street Sports since January 3rd.
致相关负责人:
我谨证明Warren Collins先生自1月3日起一直在Main Street Sports公司任职。