You need a tool?

你要工具？

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In order to have ice drop an item, you need a tool enchanted with Silk Touch.

为了让冰掉落成物品了你应该使用附魔了精准采集的工具。

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In real life projects with hundreds or thousands of requirements, you need a tool to help with oversight.

在拥有数百或者数千需求的实际项目中，您需要一个工具以仔细查看。

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The standard library, that first line of code, it's not strictly necessary but any time you use a function, a tool that someone else wrote that lives in that so called library, you do need that include line as we'll see.

标准库函数--第一行代码，严格来说，不是每次都要写的，但是一旦你调用某个别人写，的函数，而这个函数又恰巧位于标准库里面,你就要像我们看到的这样，把它include进去。

哈佛公开课 - 计算机科学课程节选

In that case, you need a different tool.

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If your email provider is approaching their application as a commoditized tool without any differentiation, then maybe you need to turn to a provider who understands that email is the core of business communications with the ability to significantly enhance productivity.

FORBES: Email: Not Just a Commodity

For that reason you may decide that a tablet, and especially the iPad or even the new Nexus 7 tablet (if you have a WiFi connection), is a far better choice as a communications tool when you are overseas if you do not need the convenience of a smaller device with its obvious limitations as far as screen size.

FORBES: Is The iPad Better Than A Cell Phone For Global Roaming?