不使用.net工具包返回CloudSearch表达式

When using the AWS .NET SDK to execute a cloudsearch searchrequest, expressions are not being returned in the field collection when specified in the SearchRequest.Return property. When passing the following SearchRequest object to a AmazonCloudSearchDomainClient instance we get all fields save for the distance expression. How do we get access to the expression per hit using the SDK?When using the AWS .NET SDK to execute a clouds