英语翻译As the Contractor has the overall responsibility for the

英语翻译
As the Contractor has the overall responsibility for the detailed design,it is not entitled to a claim for design changes that may be required during the execution of the Work,unless it can be clearly demonstrated that such changes constitute a Variation.as在这里是什么用法?

既然详细设计由承包商全权负责,在施工过程中就不会出现由于设计变化要求追索的情况,除非(合同中)明确规定包括这些变化.
英文中＂AS＂的用法很多,有时并没有特殊的含义.此处的“AS”也可以理解为“鉴于”.