You need the architect's skills to assess feasibility and costs of features for the project manager to be able to define the cost/benefitratio.
你需要架构师的技能去为项目经理评估可行性和成本,并由此确定成本/收益比率。
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Plus, as much as I love solar tech and think that there have been a lot of impressive improvements in it lately, the actual cost-benefitratio here remains unclear.