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1·A constitutional amendment precludes any president from serving more than two terms.

宪法的一项修订条款规定任何总统不得连任两届以上。《柯林斯英汉双解大词典》

2·Although Congress promptly overrode Johnson's veto, supporters of the act sought to ensure its constitutional foundations with the passage of the Fourteenth Amendment.

尽管国会迅速推翻了约翰逊的否决，但该法案的支持者仍然试图通过第十四条修正案来确保其宪法基础。