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We are writing to you regarding...

Regarding the matter of house-rent, I have come to terms with him.

The Board of Directors aim is to make decisions regarding business affairs of the company.

Please use our toll-free number for calls regarding merchandise.

Regarding clothing, he is hard to please.

how concerned should fitness professionals be regarding coffeine's influence on exercise?

There is a matter that we would like to discuss urgently regarding club activities, so please come to the staff room.

Regarding Professor Scott's final criticism I have nothing more to add to what I said in my previous reply.

I know you must be buried in your mountain of mails, but I wonder if I can hear from you regarding the mail I sent you last week?

The international community is issuing warnings regarding the nuclear threat in Japan.

regarding the issue of assistance to oil-importing developing countries.

In addition, the demands of consumers regarding the quality of food are increasing.

A quotation from Book VII of the Aeneid regarding the merits of outstanding citizens runs along the top of the walls around the room.

They received 500 letters of complaint regarding the drama's violent scenes.

An exploratory investigation was required to collect important data regarding the health of the ecosystem.