The use of comparative structures: "In cities, people move around more so there isn't the sense of community you would find in the countryside..." Here, comparative structures are used to highlight the differences between city and countryside lifestyles, demonstrating the candidate's ability to use complex structures to compare different situations.
Expression of reasons and results: "The cost of living in a city is also higher and this means that people have a worse work-life balance..." This sentence clearly expresses the reasons and results of the high cost of living in a city leading to an imbalance between work and life, showing the candidate's ability to fluently use cause and effect relationships to construct arguments.
Construction of complex topic sentences: "So, even though we are surrounded by millions, we can say we don't know anyone" This topic sentence, through emphasizing the adverbial clause introduced by "even though," presents a complex and profound social phenomenon, reflecting the candidate's ability to explore and express complex themes.