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.

youdao

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.

youdao