what sb said and did和what sb said and what sb did剖析

what sb said and did和what sb said and what sb did两者表达意思是否一样？还是的不同之处？

what sb said and did和what sb said and what sb did两者表达意思是否一样？还是的不同之处？

——基本没不同。唯一有什么区别是，前者 sb.指同一个人。后者 sb. 也会指同一个人，也会指两个人。