difference in city and country的用法和样例：
- Vaccinoprophylaxis is disparate development in city and country,of which the rate is lower in country than that in city.
- The cultural life of the residents in city and country side was dynamic increasingly in Yangtze River Valley of Tang Dynasty,and the folkways emerged numerously and complicatedly.
- C is soft in 'city' and hard in 'cat'.
- hygienic principles in city and country planning
- There are larger differences in the content of painting products by five-six aged children in city and village including happening and emot.