The idea here is that the volatile variable initialized acts as a guard to indicate that a set of other operations have completed.

这里的思想是使用易失性变量 initialized 担任守卫来表明一套别的操作已经完成了。

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The primary motivation for using volatile variables is simplicity: In some situations, using a volatile variable is just simpler than using the corresponding locking.

使用 volatile 变量的主要原因是其简易性：在某些情形下，使用 volatile 变量要比使用相应的锁简单得多。

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Conversely, the ransoms mean higher insurance premiums for the rattled shipping industry, delays for customers as more ships choose the longer passage around the Cape of Good Hope, lower revenues for the Suez Canal, and for the oil markets yet another variable to work into already volatile prices.

ECONOMIST: Somalia

In a volatile atmosphere like the present you should think of capital structure as a variable that can greatly influence the success or failure of a business enterprise.

FORBES: Dow Jones Interactive