Differences with some English words

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Mega cities, global cities, and metropolitan cities differ primarily in their scale, influence, and functions. Mega cities are defined by their large populations, typically exceeding 10 million residents, while global cities serve as key nodes in the global economy, impacting international finance and culture. Metropolitan cities encompass urban areas with significant economic, political, and cultural importance, but may not reach the population thresholds of mega cities. The discussion also highlights the usefulness of Google Search for quick information retrieval, although some participants express a desire for more nuanced discussion beyond simple searches. Overall, the conversation revolves around understanding these urban classifications and their implications.
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What are the differences between
Mega city
Global city
And Metropolitian city ?
 
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There is this really wonderful facility on the Internet called "Google Search". You should check it out. It will give you answers to these very quickly.
 
phinds said:
There is this really wonderful facility on the Internet called "Google Search". You should check it out. It will give you answers to these very quickly.
You know I think I know google search !
I want to ask it here for some other resons!
 
Then for what reasons?
 
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