他把车交给修理厂保管，双方签署了保管协议。

The ___bailment of his car to the repair shop was confirmed by a signed agreement.

将贵重物品存放在酒店保险箱中会形成一种寄托关系。

Storing valuables in a hotel safe creates a ___bailment relationship.

我把车钥匙交给代客泊车服务员，这就构成了一种保管关系。

When I handed my car keys to the valet, it created a ___bailment relationship.