Rather than checking the loop condition before each iteration, the condition is checked at the end of the iteration.

与在每次迭代前检查循环条件不同，而是在迭代结束时检查条件。

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The REPEAT statement defines a set of statements to be executed until a condition that is evaluated at the end of the REPEAT loop is true.

REPEAT 语句定义了一个语句集合，如果在 REPEAT 循环结束时某个条件的求值结果为 true，那么就将执行这个语句集合。

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You can use this pattern at the end of any sequence match to remove length as a condition.

你可以在任何序列匹配的最后使用这个模式来解除长度制约。

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And that's why the federal government provided General Motors and Chrysler with emergency loans to prevent their sudden collapse at the end of last year -- only on the condition that they would develop plans to restructure.

WHITEHOUSE: President Obama on Stabilizing the Auto Industry