Once a reservation has been confirmed, one must perform some explicit operations to cancel that reservation.

一旦确认了一项预定，则必须执行一些显式操作才能取消这项预定。

youdao

If, based on the reservation of title, Mentor takes back the delivery object, the contract will only be deemed to have been repudiated if Mentor makes an explicit declaration in this regard.

如果在保留产品所有权的基础上，门拓将所运物品取回，合同只有在门拓清楚申明的情况下才会被认为是否决。

youdao