Customers who receive defective items may request a full refund within thirty days.

收到瑕疵商品的顧客可在三十天內申請全額退款。

The warehouse rejected the shipment after inspectors found several defective units in each box.

檢驗人員在每箱貨中都發現數件瑕疵品後，倉庫拒收了這批貨。

Please call IT support if your laptop battery seems defective or stops charging.

如果你的筆電電池好像故障或無法充電，請打電話給資訊支援部門。