Everyone must agree that the project is viable — that is, that the project is worth doing, and the time and cost estimates are credible.
每个人都必须认同这个项目是可行的——那就是说，这个项目是值得做的，时间和成本的评估也是可信的。
For his part, he might spend his time on everything from a conceptual design to cost estimates to construction documents to phone calls with contractors.
对于他来说，他可能要花费他的时间，一切从概念设计到成本估算，施工文件与承建商电话呼叫。
Time and cost estimates too optimistic.
时间和费用预估过于乐观。
Time and cost estimates too optimistic.
时间和费用预估过于乐观。
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