Free movement of (4) between and within countries.
举一反三
- All the countries in the world are ________ into three types: developed countries, developing countries and underdeveloped countries.
- Up to the end of 2018, direct flights to 45 countries have been realized. 1,239 new international routes have opened between China and other B&R countries.
- A free trade would be to both countries.
- They ____________ a treaty between the two countries.
- The annual strategic dialogue between China and America is very[input=type:blank,size:4][/input]for the relationship between the two countries. (significant, insignificant)