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。

youdao

Think of the wounded person on the battlefield who’d love some medical attention for his/her injuries but will still be OK even if no help is available.

想像那个战场的负伤的战士，他希望自己的伤口获得医治，但即使没人帮忙他也不会有大碍。

youdao

Without having a stable production environment, there is still no such system available to help to keep and match the aim targets in repeatable and consistent.

没有一个稳定的印刷生产环境，并不存在一个系统可用于匹配以及保持得到满足复制性以及稳定性的目标值。

youdao

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