再拒絕對方不厭其煩的推銷信時，可以語氣堅決些，但也不要失禮。We are in receipt of your letter and materials, and we appreciate your continuous endeavors.
Unfortunately, after careful study, we have concluded that your product does not meet our present needs and requirements. As a result, we will not respond to any further correspondence on this matter.來信及材料已收到，很贊賞您不懈的努力。
但是，經(jīng)過仔細研討，我們覺得您的產(chǎn)品不能滿足我方目前的需求。因此，就此我將不再就此事做任何回復(fù)。
Unfortunately, after careful study, we have concluded that your product does not meet our present needs and requirements. As a result, we will not respond to any further correspondence on this matter.來信及材料已收到，很贊賞您不懈的努力。
但是，經(jīng)過仔細研討，我們覺得您的產(chǎn)品不能滿足我方目前的需求。因此，就此我將不再就此事做任何回復(fù)。