董明珠是谁，相信各位都已经知道了，毕竟在外人眼里看来，董明珠就是一位女强人，将格力发展的这么成功的确是太厉害了。而且董明珠发布最新回应称，其已经30多年没有休过年假了。
I am trying to get a list of parents where the child collection does not contain an item of a specific type.The LINQ equivalent would be something like:
加载中,请稍侯......