speaking of

with regards to the subject just mentioned

حالا که صحبتش شد. . .
حالا که حرفش شد. . .

حالا که حرفش شد. . .

EXAMPLE :
■ She looks like mom
● ?? Speaking of, where is mama bear
■ She's Over there, waiting for Sara at the rendezvous

You can say speaking of something that has just been mentioned, as a way of introducing a new topic which has some connection with that thing.
speaking of, . . .
حالا که بحثش شد، حالا که حرفش پیش اومد

speaking of. . . ,
حالا که صحبت از . . . شد، حالا که حرف . . . پیش اومد

speaking of traveling
حالا ک صحبت از سفر شد. . .