求关于Talk about family trends in our country 的英语对话

A:nowadays some young family begin to have no baby.
B:Yes ,this phenomenon is popular in some big cities,maybe it is the family trend in the future .
A:why not have a baby ,baby is the proof which represent the couple ’s love!
B:but you must consider that the cost of having a baby is very high in big city !
A:yeah ,it 's true ,however ,having a baby contributes to the harmony of family!
B:yes ,but people are always busy and city life are aways fast ,takintg care of their baby sometimes means give up their post!
A:it is really a problem!