如果服务器的一个实例关闭，其他实例能够接管其工作负载。
If one instance of the server goes down, another instance can take over the workload.
连接两个小部件之后，将保险审批小部件用作一个控制器来保存、关闭和完成一个工作项目。
After wiring two widgets together, use the insurance approval widget as a controller to save, close, and complete a work item.
由于赢利前景不佳，矿业巨头必和必拓在澳大利亚裁减3千份工作，并将关闭一个大型镍矿。
Mining giant BHP Billiton is cutting more than 3, 000 jobs in Australia and will close a major nickel mine, because of poor profitability prospects.
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