1.Answer based on your observation of the population density and activity level in your city. 2.You can also mention specific areas or times when the city feels more or less crowded.

1. 根據你對城市人口密度和活動水平的觀察來回答。 2. 你也可以提及城市在哪些特定區域或時間感覺較為擁擠或較為寬鬆。