若出卖人给付有瑕疵,则买受人应首先向出卖人提供再履行机会,而不得径行以自力方式消除瑕疵。对于所支出的再履行费用,买受人既不得向出卖人请求赔偿,也不得要求出卖人将其折抵为对待给付;不唯如此,买受人亦因之丧失解除权和减价权。正确学理的展开不仅要求以法律条文为基础,而且要求考虑法律目的和体系。 If the seller pays a flaw, the buyer should first provide the seller the opportunity to perform again, and shall not go its own way to eliminate defects. For the expenses of re-performance expenses, the buyer must neither seek compensation from the seller nor demand that the seller offset it for treatment. Otherwise, the buyer loses the right of cancellation and reduction of price. The correct theory unfolds not only on the basis of legal provisions, but also on the purpose and system of law.