451. We think your draw contract needs some modification.

我方认为贵方草拟的合同需要做一些修改。www.examｗ.com

452. Any modification alteration to the contract shall be made with the consent of both parties.

必须事先经双方同意，合同方可修改。

453. No changes can be made on this contract without mutual consent.

未经双方同意，不可对合同任何修改。

454. We must make it clear in the contract that you are obliged to complete the delivery of the good within the contractual time of shipment.

我们必须在合同中明确，贵方有责任在合同规定交货期内完成交货。

455. If the shipment can not be made within three month as stipulated, the contract will become void.

如不能按原规定在3个月内交货，合同则作废。