a two-thirds majority的用法和样例：
- Because the votes in both chambers of Congress were close, it is unlikely that Democrats will find the two thirds majority needed to override the president's veto.
- get the requisite two thirds majority on the first ballot
- Two thirds of all girls in Britain are on a diet.
- She won two third places in the seven events.
- A ticket tout offered me a two pound ticket for ten pounds.