奥巴马的任命有一个显著特点，那就是其中的很多关键人物在过去都曾有过紧密的工作关系。

A notable feature of Mr Obama's appointments is that many of the key figures have worked closely together in the past.

youdao

奥巴马的任命有一个显著特点，那就是其中的很多关键人物在过去都曾有过紧密的工作关系。

A notable feature of Mr Obama's appointments is that many of the key figures have worked closely together in the past.

youdao