rent charge
 租費


 Rent n.
 1. Income; revenue. See Catel. [Obs.] “Catel had they enough and rent.”
 [Bacchus] a waster was and all his rent
 In wine and bordel he dispent.   --Gower.
 So bought an annual rent or two,
 And liv'd, just as you see I do.   --Pope.
 2. Pay; reward; share; toll. [Obs.]
    Death, that taketh of high and low his rent.   --Chaucer.
 3. Law A certain periodical profit, whether in money, provisions, chattels, or labor, issuing out of lands and tenements in payment for the use; commonly, a certain pecuniary sum agreed upon between a tenant and his landlord, paid at fixed intervals by the lessee to the lessor, for the use of land or its appendages; as, rent for a farm, a house, a park, etc.
 Note: ☞ The term rent is also popularly applied to compensation for the use of certain personal chattels, as a piano, a sewing machine, etc.
 4. Polit. Econ. (a) That portion of the produce of the earth paid to the landlord for the use of the “original and indestructible powers of the soil;” the excess of the return from a given piece of cultivated land over that from land of equal area at the “margin of cultivation.” Called also economic rent, or  Ricardian rent. Economic rent is due partly to differences of productivity, but chiefly to advantages of location; it is equivalent to ordinary or commercial rent less interest on improvements, and nearly equivalent to ground rent. (b) Loosely, a return or profit from a differential advantage for production, as in case of income or earnings due to rare natural gifts creating a natural monopoly.
 Black rent. See Blackmail, 3.
 Forehand rent, rent which is paid in advance; foregift.
 Rent arrear, rent in arrears; unpaid rent. --Blackstone.
 Rent charge Law, a rent reserved on a conveyance of land in fee simple, or granted out of lands by deed; -- so called because, by a covenant or clause in the deed of conveyance, the land is charged with a distress for the payment of it. --Bouvier.
 Rent roll, a list or account of rents or income; a rental.
 Rent seck Law, a rent reserved by deed, but without any clause of distress; barren rent. A power of distress was made incident to rent seck by Statute 4 George II. c. 28.
 Rent service Eng. Law, rent reserved out of land held by fealty or other corporeal service; -- so called from such service being incident to it.
 White rent, a quitrent when paid in silver; -- opposed to black rent.