知識產權是一種()的權利。
No discount will be allowed ____ you could place an order for more than 5,000pcs.
受要約人對要約的內容作出實質性變更的，為()。
We regret the need for you to write to us and hope the steps we are taking____the safe arrival of all your orders in the future.
Taking into consideration our long-standing business relations with you, we accept ___by D/P.
