Toset forth principles of behavior in formal documents is hardly to guarantee their observance.

正式文件中所提出的行为准则，并不能保证它们得到遵守。

youdao

As a XML-based descriptive language, WS-CDL lacks a formal model and verification mechanism to guarantee the correctness of collaborations and interactions.

作为一个基于XML的描述性规范语言，WS - CDL缺乏形式化的模型和验证机制，难以保证协作和交互的正确性。

youdao

XML document model is described by formal method. Some rules are provided to guarantee that the described documents are well-formed.

用形式化的方法描述了XML文档模型，并提供了一系列规则来保证模型描述的XML文档的良构性。

youdao

As such we are not able to offer a formal money back guarantee.

BBC: Mobile firms failing on coverage

The formal 100% government guarantee for the Northern Rock's savers was brought to an end in May 2010 after the bank had been nationalised and then split in two.

BBC: Savings protection limit increases to ?85,000

But even having a formal record of involuntary psychiatric hospitalization is no guarantee that the relevant information will be available at the point of purchase of a firearm.

CNN: Looking into the minds of killers