One miner who did strike it lucky was Bert Shively.

一位真正幸运的矿工是 Bert Shively。

Portfolio thinking reduces the role of luck: Messrs Milkov and Navidi make the point that the probability of striking it lucky in oil exploration goes up if firms complete numerous independent wells.

投资组合思维降低了运气的影响：米尔科夫和纳维迪指出，如果公司对大量独立矿井完成勘探，那么在石油勘探中撞上好运的概率就会上升。