expiatev.赎罪；补偿；<古>结束expertisen.专门知识；专门技术；专家的意见expertsystem专家系统experts team评估专家experts forum专家论坛experts rules专家规则experts hiring专家选聘experts system专家系统experts' forum载波负荷experts absence专家缺席experts leading专家引领experts platform专家平台