It is very common for people who buy property (房产) or move into a new apartment or house to hold a housewarming party.

对于刚买了房子或搬进新家的人来说，办一场乔迁庆宴非常平常。

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Policy prospectuses are common in Europe, and the Republican Party drew up a “Contract with America” in 1994.

在欧洲，政策计划很普遍，共和党1994年起草了一份“同美契约”。

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A: To press ahead with the Six-Party Talks is in the common interests of all parties.

答：推进六方会谈进程符合各方共同利益。

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Two firms under the common control of a third party are considered affiliated.

FORBES: Consultants With Affiliated Broker-Dealers: How Independent Is Their Advice? (April 1, 1996 )

This common law concept relieves a party from fulfilling a contract if unforeseen circumstances make it impossible to do so.

FORBES: Collateral Damage

We had all gone to that party with a common objective -- bring chocolate, eat chocolate and be happy -- only to be separated by our different interpretations or standards for what constituted "ideal" chocolate.

CNN: How to avoid 'chocolate conversations' at work