政券投机

例句：

1. 1. He is known forhis political speculations on the stock market.
   他因对股市的投机行为而闻名。
2. 2. The company's decision to investin a new technology was speculativeat best.
   该公司投资新技术的决定最多只能算是投机。
3. 3. The government's decision toincrease taxes on high earners was apolitical gamble.
   政府决定提高高收入者税收是一次政治赌博。