The US Congress has overridden a veto by President George W Bush for the first time since he took office enacting a water resources bill that he had not liked .

美国国会第一次无视布什总统对通过 一 项其不很喜欢水资源 法案 的 否决 权，这是其执政以来的第一次。

A US presidential veto of a bill can be overridden if two-thirds of the members of Congerss vote in favour of the bill .

如果国会三分之二的议员投票赞成这项议案的话，美国总统对于 一 项 议案 的 否决可以变得无效。

He persuaded Ronald Reagan to get the Philippines'Ferdinand Marcos to leave office but lined up votes to override Meagan 's veto of a bill imposing sanctions on South Africa .

他说服里根，把菲律宾的马科斯拉下台，却也在里根 否决国会提出的制裁南非 法案后，纠集议员推翻其 否决。