原文:However,?you?do?not?have?to?wear?a?seat?belt?if?you?are?reversing?your?vehicle;?or?you?are?making?a?local?delivery?or?collection?using?a?special?vehicle;?or?if?you?have?a?valid?medical?certificate?

解析: 【解析题】下列哪些单位或者个人,不属于属于商业贿赂的 […]