是的，如上所述。
不，如果客户后来说“哦，但这比您最初估计的 X 天要多得多”，
您需要小心解释并就“大概”的真正含义达成一致
Yes as pointed out above.
No if the client later says "Oh, but that's much more than the X days you initially estimated"
You need to be careful in explaining and agreeing on what "ballpark" really means
是的..它可以帮助向客户提供粗略的估计，但稍后这些估计可能会显示出高达 +/- 50% 的变化。
但它可以帮助衡量项目的规模和大致的人力工作量
Yes .. it can help to give rough estimates to the client but later on these estimates can show upto +/- 50% variation.
But it can help to gauge the size of the project and roughly manday efforts
要添加到现有响应中的内容。
优点：
缺点：
Something to add to the existing responses.
Pros:
Cons:
我经常使用这些粗略估计来向客户提供快速报价，当基于 WMFP 或 COCOMO-II 等模型时，它们还可以帮助我做出公正的评估。
I often use these ballpark estimates to give a quick price quote to a client, when based on models such as WMFP or COCOMO-II they can also help me make an unbiased assessment.
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是的，如上所述。
不，如果客户后来说“哦，但这比您最初估计的 X 天要多得多”，
您需要小心解释并就“大概”的真正含义达成一致
Yes as pointed out above.
No if the client later says "Oh, but that's much more than the X days you initially estimated"
You need to be careful in explaining and agreeing on what "ballpark" really means
是的..它可以帮助向客户提供粗略的估计，但稍后这些估计可能会显示出高达 +/- 50% 的变化。
但它可以帮助衡量项目的规模和大致的人力工作量
Yes .. it can help to give rough estimates to the client but later on these estimates can show upto +/- 50% variation.
But it can help to gauge the size of the project and roughly manday efforts
要添加到现有响应中的内容。
优点：
所需的资源数量
一组活动。
任务是否适合预
定义的时间表
缺点：
Something to add to the existing responses.
Pros:
the number of resources needed for a
set of activities.
whether a task would fit in a pre
defined timeline
Cons:
我经常使用这些粗略估计来向客户提供快速报价，当基于 WMFP 或 COCOMO-II 等模型时，它们还可以帮助我做出公正的评估。
I often use these ballpark estimates to give a quick price quote to a client, when based on models such as WMFP or COCOMO-II they can also help me make an unbiased assessment.