EF核心多对多关系查询

Question

你好，我必须过滤许多表。例如；

public class LanguageSchool
{
    public long Id { get; set; }
    public virtual List<LanguageSchoolLanguageSchoolProgram> LanguageSchoolLanguageSchoolPrograms { get; set; }
}

public class LanguageSchoolProgram
{
     public long Id { get; set; }
     public virtual List<LanguageSchoolLanguageSchoolProgram> LanguageSchoolLanguageSchoolPrograms { get; set; }
}
public class LanguageSchoolLanguageSchoolProgram
{
    public long LanguageSchoolProgramId { get; set; }
    public virtual LanguageSchoolProgram LanguageSchoolProgram { get; set; }
    public long LanguageSchoolId { get; set; }
    public virtual LanguageSchool LanguageSchool { get; set; }
}

并查询；

List<long> selectedLanguageEducationIds = [1,2,4,6]
foreach (var education in langEducations)
{
    var list = context.LanguageSchools
        .Where(x => x.LanguageSchoolLanguageEducations
            .Contains(new LanguageSchoolLanguageEducation() { 
                LanguageEducation = education, 
                LanguageSchool = x, 
                LanguageEducationId = education.Id,
                LanguageSchoolId = x.Id 
            })
        ).ToList();
}

，但是此代码不起作用。我的问题是我如何搜索/过滤/查询许多属性。