1·Any other document showing the ongoing or intended business relationship with the inviter.
任何显示与邀请方之间持续性或预期中的商务往来的文件。
2·The UI dialog to accept or reject an invitation from a peer contact also indicates that that the inviter is trusted.
用于接受或拒绝对等联系人所发出的邀请的用户界面对话框也会指示可以信任邀请方。