Language (accent) and cultural differences, * * * the same language is rare.
Urban construction is different (it is basically done by yourself, and Guangzhou has little investment)
In the past, bus cards, medical insurance, social security, telephone charges, water charges, gas charges and other things related to people's livelihood were almost treated differently or even universally. Even if the gap is gradually narrowing now, it will not disappear so easily.
In addition, there are some biased views from online screening: the citizens of Guangzhou (the old city) think Zengcheng is a remote and poor place, which is incompatible with the height of Guangzhou; Zengcheng citizens feel that Guangzhou (the old city) has been shouting slogans, constantly restricting and demanding (land resources), without actually paying.