Tools support: a complex operation always needs tools to make life easier.
工具支持：复杂操作始终需要使用工具来简化工作。
For example, a component performing a complex operation may broadcast its state.
例如，执行复杂操作的组件可以传播它的状态。
For example, a component performing a complex operation may broadcast its state.
例如，执行复杂操作的组件可以传播它的状态。
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