The product descriptions help you differentiate between the no-charge capabilities and the additional capabilities that are available for purchase.

这些产品描述可以帮助您区分免费功能和需要支付费用的额外功能。

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If a coworker is using his lunch hour to finish a project and you are available, offer your help with no strings attached.

假设一个同事在利用午饭时间来完成一个项目，而你刚好有空，那么就无条件地给他提供帮助吧。

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No help is available for this area of the window.

对于此窗口的这个区域没有帮助可利用。

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But U.S. soldiers, who left Iraq in late 2011, are no longer available to help Iraqi security forces subdue militants or reconcile warring factions.

WSJ: Violence Kills Scores in Iraq

One consequence is that precious dollars are pumped into research aimed at a cure or prevention while almost no resources are available to help learn how to better care for people who already have dementia or for training or other assistance for their caregivers.

FORBES: Stop Hyping Alzheimer's Cures, Learn to Care for People Who Have the Disease

More than half report doing so because they cannot afford paid care and no-one else is available to help.

FORBES: Half of Family Caregivers are Providing Nursing Services