The written consent of a parent is required. 要求有家长的书面同意。
Any modifications or additions carried out on the leased building by the Lessee may be done only with the Lessor's prior written permission. 假如承租人对出租房屋作任何调整或增添任何设施，事先必须征得出租人的书面同意。
You need the written permission of the owner to visit the castle. 要想参观这个城堡，你需要有主人的书面许可。
This information must not be disclosed without prior written consent. 未事先征得书面许可，此消息不得泄露。
