for good measure   (TTS發音)

as sth. more added to what is expoeted or needed ； as an extra附加的；額外的

    He sold me the car at a cheap price and included the radio for good measure. 他廉價將車賣給我，而且還另贈送了收音機。

    He sold me the house at a cheap price and threw in some of the furniture for good measure. 他廉價把房子賣給了我，還奉送了一些家俱。