Use last names with people you do not know: Address people using their title (Mr, Ms, Dr) and their last names.

对不认识的人要称呼他们的姓：用他们的头衔(先生、女士、博士等)加上他们的姓。

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The system Dr Newman and Mr Convers have developed taps into hundreds of seismic monitoring stations around the world.

纽曼博士与康弗斯先生研发的新系统接入了世界各地几百所地震监测站。

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Most of them began “Dear Mr/Dr/Professor”. Many replies came back addressed “Dear Edward”.

大多数信以“亲爱的先生/医生/教授开始，许多回信中的称呼是“心爱的爱德华”。

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Mr. Brownrigg and Dr. Bonifant walked out of the room.

VOA: special.2009.01.31

"The materials contained in that package include communications from Mr. Holmes to Dr. Fenton that Mr. Holmes asserts are privileged, " said the document filed by public defenders representing Holmes.

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Dr. Kelly and Mr. Norris were joined on the panel by Dr. Lynn Orr, director of the Stanford Precourt Energy Institute and Camron Gorguinpour, director of Scientists and Engineers for America.

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The intention is that these will go unopposed to Dr Mahathir and Mr Abdullah.

ECONOMIST: Malaysia