Terms of service: B offers two free software upgrades and the software maintenance services.

服务条款：乙方免费提供两年本软件升级及软件维护服务。

youdao

In free software, upgrades and patches are not a once yearly event complete with beta versions and release candidates.

在自由软件中，升级和补丁不是在be ta版和RC版完成后才发生的年度事件。

youdao

Free software users expect regular upgrades and patches.

自由软件用户希望规律的升级和补丁。

youdao

When a client's business dropped off, she says, employees were told to "warm-call" them offering free software upgrades and volume discounts.

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