Each worker gets a subtask, processes it, and sends the result to their manager. 每个员工都会得到一个子任务，将其完成并将结果发送给他们的经理。
When you have estimated how long each sub-task will take, you can identify when each of these tasks will be completed. 估计出每个子任务需要多长时间后，就可以确定每个任务何时完成。