求翻译：　　自从当选总统后，奥巴马的喜好也有了变化。在他签署第一份总统令时，左手衣袖处暴露了一款黑色表盘的表，但不是豪雅。据说，这款表是2007年奥巴马担任伊利诺伊州参议员的时候，联邦经济情报局的同事送给他的46岁生日礼物。是什么意思？

He was elected as the President, since Obama's preference also has changed. He signed the decree of the President the first time, the left hand sleeves, has revealed a black dial of the table, but it is not proud. It is said that this is the table 2007 Barack Obama served as Illinois state senator,

Since president-elect, the Austria Pama liked also having the change.Signs the first presidential order when him, the left hand sleeves of a dress place have exposed a section black dial plate table, but is not bold elegant.It is said, this section table is in 2007 the Austria Pama holds the post of

Since his election, President Obama's preference has changed. When he signed the first presidential decree, the left hand sleeve reveals a black dial table, but not the Tag Heuer. It is said that the table was in 2007 when Obama served as Illinois Senator, Federal economic intelligence colleague gav