It does not provide QoS or delivery guarantee.

它没有为上层提供任何服务质量和投递保证。

youdao

Our aim: safety first, quality first, delivery guarantee, customer satisfaction.

阀门的宗旨是：安全第一，质量至上，保证交期、客户满意。

youdao

To meet the various needs of customers, but also product quality, product delivery guarantee.

能满足客户的各种需要，同时也是产品质量，产品交货期的保证。

youdao

Exports are supplied on long-term contracts that guarantee delivery many years ahead.

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For example, if a company is shipping products internationally, but still needs to guarantee delivery to receive full payment or to maintain contractual obligations, it faces a potentially complex set of options to complete the delivery.

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The railroads were interested and would guarantee delivery in five days, provided a couple of things: That the train ran at least once a week, so the railroads could be sure that the cars and locomotives it dedicated to the service would be used regularly, and that Pollak deal with loading and unloading the delicate goods.

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