select * from T_Expensemanagement_OtherCosts_BreakDown
where exists (select * from T_Expensemanagement_OtherCosts
where ID=T_Expensemanagement_OtherCostsID and EngineeringInfoID='aa3d010b-85da-4aa9-94db-59a6522cec9c')
请问EF该如何实现这种情况?求助