economically-advanced country

• 经济先进国家

economically-advanced country的用法和样例：

例句

1. We must keep up with the advanced countries.
   我们一定要赶上先进国家。
2. The leap is an inevitable choice that tha backward catches up with and surpasses the andvanced country.
   跨越是落后国家赶超先进国家的必然选择。