每个演讲者在演讲中都使用推理。所有发言者在自己的讲话中都使用推理

每个演讲者在演讲中都使用推理。所有发言者在自己的讲话中都使用推理

Results (English) 1:

Every speaker uses reasoning in his speech.

All speakers use reasoning in their speech

Results (English) 2:

Each speaker uses reasoning in his or her speech.

All speakers use reasoning in their own speeches

Results (English) 3:

Each speaker uses reasoning in his speech.
All speakers use reasoning in their speeches