练摊的英文：
to be a vendor

vendor's account
卖主帐户

PROM vendor evaluation card system
卖主评价卡片系统

If the problem persists, contact the program vendor.
若该故障一直存在，请与供应商联系。

Remember, the estate agent is working for the vendor.
记住，房地产代理商是为房地产卖方服务的。

You should not grant this access unless you trust that vendor or distributor.
除非您信任那个供应商或销售商，否则不应该授予此访问权限。