Objective To study the disinfectant method for respirator tubes by automatic washing machine and to evaluate the guarantee time of sterile preservation.

目的掌握全自动清洗机对呼吸机管路消毒的方法，并讨论其无菌保存有效期。

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You must pay for this reparation due to the expiration of guarantee time.

您报的维修超过保修期，再修就要缴纳费用。

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"But this is the path to guarantee that the gravest scenarios of the last time will not repeat.

VOA: standard.2010.06.24

Because as Barack said, the only guarantee this time around is this election will be closer than the last one.

WHITEHOUSE: Remarks by the First Lady at a Campaign Event

When an airline sells a seat it's only promising to take the passenger to a particular destination, there's no guarantee as to time of arrival.

BBC: Q&A: Air passengers' rights

In addition Virgin said it was looking to release an app for Windows Phone 8 and other devices, but could offer no guarantee at this time.

BBC: Virgin launches streaming internet TV service