Select the item option for the basis.

选择项目选择的基础上。

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The second option is to define a business item template and associate several different business items with it.

第二个选项是，定义一个业务项模板，并使几个不同的业务项与之关联。

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Without the mapping information, the form developer can be lost in trying to find a suitable item type and option value.

如果没有映射信息，则表单开发人员可能难以找到合适的项类型及选项值。

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If shoppers scan an unwanted item by accident, they simply select "Remove" from the menu option, scan the item again, and it is removed from the cart.

WSJ: Mobile Checkout Devices Let People Scan and They Shop

Add it to a virtual shopping cart and then click the option to locate the item in store.

FORBES: JCPenney Goes Pop

And if you need the how-to instructions, click on the building guide mode - top left, third button - and it will give you the option to watch the item being built or alternatively you can generate a step-by-step building guide which you can then print out.

BBC: Lego Factory