加号代币

plush hotel───毛绒酒店

book token───书券；购书代价券

gift token───礼券

love token───爱情纪念品

plum tree───李树

plum trees───李树

plus fours───灯笼裤

Collaboration is done by Alice generating a new token plus a decryption key which are sent to Bob who USES them to retrieve documents from the cloud and to decrypt them.───协作是通过Alice生成新的令牌还有解密密钥完成的，密钥会被传送给Bob，他会使用密钥从云中取得文档并对其进行解密。