这些句柄可能全局，每进程，或每线程。

These handles may be available globally, per process, or per thread.

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报告，报告，再报告：分享每一点微小的进程并且让你的老板认可。

Report, report, report: Share every little bit of progress and give your boss credit for it!

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包含并发或异步操作的联系任务是一个长期运行的进程，每一步进展都要被保存到数据库。

A contact task contains concurrent or asynchronous operations is a long-running process, and progress at every step needs to be saved to a database.

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