A simple mechanism for specifying conditional execution and task selection.

一种简单的机制，用来指定条件执行和任务选择。

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In many respects this is a great credit to the selectors in charge and I can say without hesitation, that while the role of a selector can be a thankless task, the Australian selectors have generally shown faith in their players and followed a very consistent selection process.

BBC: Justin Langer column