A United and Proud Nation的用法和样例：
- By the year 2016, Botswana will be a united and proud nation, sharing common goals based on a common heritage and a desire for stability.
- It was evidently a united and affectionate family.
- It is an essential quality of our magnificent old country. Ours is a great and proud nation.
- Huaying is a united and enterprising team, full of energy.