with respect to，关于，与in respect of和with regard to意思相近，多数情况下可互换，注意分清介词

1例句一

Unless specifically waived in writing by an authorized representative of Buyer, Seller’s obligations with respect to service and replacement parts contained in paragraph 31 will survive the termination or expiration of the Order. 

除买方的授权代表特别做出书面放弃外，卖方与第31款包含的服务和更换备件相关的义务将在《订单》终止或期满后继续有效。

2例句二

Unless otherwise expressly stated in the Order, Buyer makes no representation, warranty, guaranty or commitment of any kind or nature, whether express or implied, to Seller with respect to Buyer’s quantity requirements.

除非《订单》另行明确说明，买方不向卖方做出，与买方数量要求相关的任何类型或性质的任何声明、保证、担保或承诺，无论明示或默示。