one-armed bandit

Having a live screen on your desk, says a trader friend, is like sitting in front of a one-armed bandit.

看着屏幕上的即时波动，一个交易者朋友说，就像是坐在独臂的强盗面前。

And one-armed bandit is the commodity that national explicit order prohibits selling.

而赌博机是国家明令禁止销售的商品。