When you get to "Product Purpose", make sure you consider Jersey as a "production-ready" product (bundled in GlassFish v3 "Prelude" shipping next month as a matter of fact).

你在谈到“产品用途”时，应当将Jersey看作一种立马可投入使用的产品（事实上下个月它就要随GlassFish v3 Prelude版捆绑发布了）。

youdao

During this time, I received an email from Dr. Brad Swift about a new product he was releasing on the subject of life purpose.

就在这期间，我收到了来自布拉德泰勒博士的一封邮件，是关于他在人生目标的课程上发布的一款新产品。

youdao

You also need to ascertain why they need your product; for what specific purpose, under what circumstances, and why would they choose yours?

你还需要弄清为什么他们需要你的产品；为了什么特殊的目的，在什么情况下，还有为什么他们会选择你的产品？

youdao

Is it really helpful to have your savings account wrapped into a product whose main purpose is to protect your dependents from starvation?

FORBES: Making Life Complicated

"It's a dual purpose product so both you and your horse can have that quality sheen, " says Spurlock with his unique blend of sarcasm and sincerity.

BBC: Morgan Spurlock

You could limit it to just the energy usage of the product in its stated purpose, or you could even add in the carbon output needed to manufacture it.

FORBES: Was Reagan Right About the Energy Department? Solyndra Case Study