The choice was meant to create an impression of party unity.

这个选择意在给人一种党内团结的印象。

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And he said they wanted a change. He said: "Party unity is not a sufficient excuse for silence."

VOA: special.2009.08.30

But the Democrats will need party unity if they try to pass reform legislation on their own.

VOA: special.2009.09.12

So delegates gave Arthur the vice presidential nomination to strengthen party unity.

VOA: special.2010.04.22

Party unity has been one of the big themes at the Democrat's convention this week.

NPR: On The Floor: Sounds From The DNC

Since announcing the suspension of her campaign, Clinton has gone to great lengths to promote party unity.

CNN: Bill Clinton to speak at Democratic convention

Other would-be speaker candidates either considered running and decided against it, or withdrew in the name of party unity.

CNN: Watts upsets Boehner for No. 4 post